19 Behind-the-Scenes Secrets of IKEA Employees

Stephen Chernin/Getty Images
Stephen Chernin/Getty Images

Chances are good you have a piece of IKEA furniture in your home. Perhaps you’re even sitting on an IKEA couch, reading at an IKEA desk, or lying in an IKEA bed right now. The Swedish company is the world’s largest furniture retailer, selling billions of dollars worth of goods each year, from BILLY bookcases to GLIMMA tealights. Its massive blue-and-yellow stores are kept well-stocked and running smoothly thanks to the efforts of more than 194,000 employees (or as IKEA calls them, “coworkers”) across the globe. We spoke with a few of them about what it’s like to work for one of the world’s most recognizable retail stores.

1. THE IKEA PATHWAY HAS A CODE NAME.

It’s no secret IKEA’s maze-like showrooms are designed to take shoppers through every department, from the kitchen to the textiles, making sure they lay eyes on as many goods as possible. "One could describe it as if IKEA grabs you by the hand and consciously guides you through the store in order to make you buy as much as possible," Johan Stenebo, an IKEA veteran, wrote in his book, The Truth About IKEA.

The winding walkway is known lovingly among employees as the “Long Natural Path” or the “Long Natural Way.” According to a 2011 New Yorker article by Lauren Collins, the pathway is supposed to curve every 50 feet to prevent shoppers from getting bored.

2. THERE ARE SECRET SHORTCUTS ...

Need to get to bedding but don’t want to walk through textiles, bathroom, and living room first? Stuck on the top floor but need a quick way to ground level? Take a shortcut.

There are multiple quick routes through the store, both for safety reasons and stocking reasons, and they’re open to the public. But they’re not advertised, so you’ll need a keen eye for secret passageways. Often they take the form of unmarked service doors.

“If you know where to look, you’ll find them,” says Paula, who worked at an IKEA store in Houston for a year. At her store, there was a shortcut route that started with an unmarked door near the escalators. “Nobody’s going to stop you unless it explicitly says ‘employees only,’ but other than that you can open doors and you’d be amazed,” she says.

“I love IKEA, but sometimes you just need to get in and out in like 20 minutes,” says Marie, who worked at IKEA for 11 years. If that’s the case, just ask an employee to give you the quickest route to your destination and they’ll point you to the nearest shortcut.

3. ... BUT DON’T GET TOO USED TO THEM.

“They’re always changing,” says Paul Robertson, who worked for 10 years at IKEA Canada. “They used to change them fairly frequently because we had a lot of repeat business, so customers would get familiar with the shortcuts and know how to zip through. After a while they would change the shortcuts to force people to go around the long way again.”

4. THE WALLS MOVE.

Shoppers look at merchandise at a Ikea store in Paramus, New Jersey
Stephen Chernin/Getty Images

According to Paula, the partitions that enclose IKEA’s various showrooms are on rollers and can be moved. “They have a lock on them so people can’t randomly move them,” Paula says. “At the end of the night we move all the walls out of the way so we have a straight shot to where the trash is.” This also makes it easier to remodel the display rooms.

5. CUSTOMERS SOMETIMES BUY ENTIRE ROOMS.

Speaking of the display rooms, occasionally customers will decide they like an entire room so much, they’ll order it as-is. “There have been people that come in and see a room and like everything there and they take it,” Paula says.

6. THERE'S AN “OPEN THE WALLET” SECTION.

Customers at a check-out line in IKEA
NOAH SEELAM/AFP/Getty Images

IKEA stores are littered with piles of small, practical items that are so cheap they’re hard to pass up. These areas are called the “Open The Wallet” sections. “There, an abundance of cheap goods—flowerpots, slippers, lint rollers—encourages the customer to make a purchase, any purchase, the thinking being that IKEA shoppers buy either nothing or a lot,” Collins writes.

According to Rob, a two-year IKEA veteran, this area was located at the bottom of the stairs on the second floor at his store. “It’s basically impulse buys,” he says. “It’s a lot of very cheap items, things that look practical, useful, something you didn’t realize you wanted.” The next thing you know you’re shoving five packs of tea candles and a bunch of plastic hangers into your yellow shopping bag, when all you really came in for was a desk lamp.

7. THERE'S A REASON THEY PILE THOSE BINS SO HIGH.

Another method for getting people to add things to their bags is known internally as the “bulla bulla” technique. Big bins are stuffed to the point of overflowing with hundreds of items “to create the impression of volume and, therefore, inexpensiveness,” according to Collins.

“One of the big things is the sort of jumbo bin, they love that,” says Robertson. “If stock starts running low there, fill it back up. Pile it high. Customers think they’re getting a deal.”

8. YES, YOU CAN NAP ON THE FURNITURE ...

People nap at an IKEA store in China
Kevin Frayer/Getty Images

The displays are meant to be touched, tested, and experienced. If you want to curl up on an IKEA couch or sprawl out on the bed, go for it. “You are allowed to sit on the beds,” says Paula, “but if you’ve been there for two or three hours, we have to wake you up.”

This is a particularly well-documented phenomenon in China, where shoppers have been photographed snoozing all over the showroom. “We don’t see it as a problem,” IKEA spokesman Josefin Thorell told the Wall Street Journal. “We’re happy people feel at home in our stores. Certainly, it entails a little extra work for the staff, purely practically. But on the other hand, if customers try out our furniture and like it, we can sell an extra mattress or two.”

9. ... BUT YOU PROBABLY DON’T WANT TO.

According to Jana, an IKEA employee in Texas, the pillows on the display beds get swapped out once a month at her store, and the pillowcases only get changed when they are visibly dirty. The same goes for blankets and duvet covers. “I changed a bunch of duvet covers yesterday because from people touching the same corner every day, it looked dingy,” she says. “If we see something and think it looks gross, it needs to be changed.”

10. THEY WISH YOU’D STOP OPENING THINGS.

Customers inspect goods at an IKEA
NOAH SEELAM/AFP/Getty Images

“Customers will open anything and everything,” says Jana. “Everything in that store, we have on display. You can touch it, feel it, lay your face on it, but for some reason they’ll open the package and then leave it there. What they don’t understand is when they open certain things, we can’t resell them, so we have to scan them out.”

11. THEY’RE TRAINED NOT TO OFFER HELP.

If you’re the passive-aggressive type of shopper, you’re bound to be disappointed at IKEA. Employees are given specific instructions to let the customers come to them if they need assistance. “You were supposed to only help customers if they asked you for it,” says Rob. “We were told that’s a very Scandinavian way of how stores work.” The same rule applies in the warehouse, where customers are expected to find and lift their own items unless it’s obvious they need assistance.

12. THE BOOKS IN THE SHOWROOM OFTEN COME FROM EMPLOYEES’ OWN LIBRARIES.

IKEA’s sample rooms often feature towering bookshelves, but empty shelves aren’t particularly inviting. So, employees are asked to bring books from their own collection to fill the blank space. “All of that was stuff we owned,” Rob says. Usually they were asked to bring books that matched a certain color scheme. And you couldn’t bring in anything racy. “You had to use your common sense,” Rob says. “Nothing pornographic or anything.”

13. THE MOST POPULAR ITEMS ARE …

The BILLY bookcase and the LACK table. The POÄNG chair, MALM bed, KALLAX shelving units, RENS sheepskin rug, and EKTORP sofa are some of the other top picks.

14. THE SERIAL NUMBERS CAN TELL YOU A LOT.

According to Robertson, there’s some rhyme and reason to the eight-digit code linked to each IKEA item. “While I was there, it was that the last two numbers would tell you what color the item was. So let’s say it ended in 40, it was blue. That would mean the 4 range was blue, so 41 might be light blue and 42 would be dark blue.”

Many of the names have meaning, too. According to Collins, “traditionally, the names of IKEA’s bookcases derive from different occupations; curtains are given names from mathematics; and bathroom products are named for lakes and rivers.”

15. THEY WITNESS A LOT OF ARGUMENTS.

“If you really wanna test your relationship, go through IKEA and buy something,” says Jana. “I guess they just get stressed and overwhelmed that the store’s so big. I had a couple trying to make a decision on a rug and he was mad and she was on verge of tears. Then we were out of the rug they wanted, which made it even worse.”

Lovers' quarrels are so common in the store that at least one psychologist told the Wall Street Journal she has her bickering clients construct the NORNÄS coffee table as a relationship-building exercise. Janice Simonsen, design spokeswoman for IKEA U.S., also told the paper she spent five years as a furnishings consultant and created a list of guidelines specifically for couples planning a trip to the store.

16. THEY SPEAK IN CODE.

People look at chairs in a South Korean IKEA
JUNG YEON-JE/AFP/Getty Images

When “Code 22” comes over the intercom, it’s a distress call from the cash lanes. “We usually hear it around rush hour or on weekends,” says Jana. “It means the cash lanes are backed up into the warehouse. Anyone in the store who is register-trained has to go to the front and help.”

If a lost kid is wandering the store (which happens a lot), Jana says managers use “Code 99” to put all employees on alert. “There are so many wardrobes to hide in or bed skirts to hide under,” says Marie. “If a kid really wanted to be hidden it would not be too hard.”

17. THINGS GET WILD AFTER HOURS.

“At the end of night, they’d open all the walls and we’d have a big empty space and there would be pallet jack races,” Paula recalls.

And there’s perhaps no better place to play hide-and-seek than in a massive, multiple-story maze stuffed with nooks and crannies. “On closing shifts, one guy I worked with would always manage to have me distracted, then he’d go hide in the store,” says Robertson. “So I would have to finish up tasks, walk through the store knowing somewhere along the way he would jump out at me, and he got me all the time.”

18. THEY GET GREAT CHRISTMAS GIFTS.

IKEA is known for having good employee perks, including its end-of-year gifts, which range from electronics to plane tickets. “The first year I worked there they gave out bikes,” says Rob. “This year they gave out Rokus.” Paula says her store gave employees who had been specially recognized by their coworkers the chance to win plane tickets to anywhere in the world.

19. PINTEREST DRIVES SALES.

Employees can tell when an item has been featured in a viral Pinterest project because it sells out quickly. “There was one specific spice rack we were constantly sold out of,” says Paula. “Someone had gone on Pinterest and said you can paint it and make it a bookshelf for picture books for toddlers. We had to tell people, ‘If you’re here for the spice rack, we don’t have it.’” (For reference, it’s called the BEKVÄM spice rack.)

A version of this story first ran in 2016.

11 Secrets of Storm Chasers

Drew Angerer, Getty Images
Drew Angerer, Getty Images

Every year, people around the world board up windows, stock up on essential supplies, and flee their own homes in anticipation of severe weather events. But for storm chasers, tumultuous weather is an invitation to move toward the danger. Some endure precarious conditions during hurricanes, tornadoes, and other storms in order to take readings that might later prove useful to meteorologists. Others are simply attracted to the beauty of the storms, capturing nature’s violent expressions in what could be considered an extreme form of landscape photography.

There's no shortage of opportunities for storm chasers. The U.S. each year sees an average of 1253 tornadoes—a massive column of spinning air borne out of thunderstorms and creating winds up to 250 miles per hour. Hurricanes are fueled by heat from oceans and threaten coastal regions with heavy rain and wind. Though it doesn’t have quite the same reputation, even a simple, raging thunderstorm can produce enough hail and high winds to cause chaos. Each is dangerous, devastating—and, in the eyes of storm chasers, beautiful.

To better understand what motivates these individuals to seek out cataclysmic events, Mental Floss spoke to three extreme weather specialists. Here’s what they had to say about airborne houses, armored trucks, and why you won’t usually see any of them wearing a helmet.

1. For storm chasers, a hurricane can feel like an acid trip.

A satellite image of Hurricane Irene in the Caribbean Sea in August 2011 is pictured
Hurricane Irene is shown over the Caribbean Sea in a satellite image from August 2011.
NOAA via Getty Images

With just 13 hurricanes hitting the continental U.S. since 2010, chasing hurricanes requires a passport and a willingness to spend days making connecting flights to international destinations. As a result, hurricane hunters are a small subgroup of the storm chaser demographic. Why do they do it? For Josh Morgerman, a hurricane chaser based in Southern California and star of the Science Channel’s upcoming Hurricane Man, being exposed to hurricanes on Long Island in his youth created an association between a severe storm and excitement. “My whole life is hunting that feeling again and again,” he tells Mental Floss. While he still pursues that rush, Morgerman's chief objective is to measure air pressure and log observational data that can assist meteorologists in analyzing storms. (Chasers can also measure factors like humidity, wind speed, and temperature.)

Unlike tornadoes, which have a very clear visual identity as they spin in a cone shape over land, hurricanes just look like a fierce concentration of weather. That combination of heavy rain, wind, and flying debris can be hard to explain unless you’ve experienced it firsthand. As fierce weather rages in the area known as the eyewall, the eye, or center, inside is peaceful. Morgerman says that jarring contrast is a little like an acid trip. “In a severe hurricane [the eyewall] is quite incredible,” he says. “Some sound like a train or like wolves howling. Hurricane Michael, the building I was in was shaking. The windows were breaking. With storms like that, you can’t see anything. Everything just turns white. You just see flying wreckage. It’s an unbelievable spectacle to behold." In the eye, though, "It gets calm. The sky is blue ... There’s something very acid-trippy about that.”

2. The movie Twister influenced a lot of storm chasers.

A publicity photo from the 1996 film 'Twister' depicts actor Bill Paxton looking at a tornado
Hulton Archive/Getty Images

In 1996’s Twister, Bill Paxton plays a tornado chaser who braves a series of severe weather events. For many chasers, the movie was a milestone, prompting a lot of people to get into the field themselves. “It’s the reason I got into it,” says tornado chaser Greg Johnson, who now collects footage to sell to news outlets. “There was this romantic notion of storm chasing. There are a lot of things the movie got right."

There was one exception. "One thing it didn’t get right is the human toll. The damage associated with these storms. The movie underplayed the destruction and death. In real life scenarios, it’s far worse than anything they show in the movie.” A chaser’s first priority, he says, is to stop and help anyone who might need assistance.

3. Storm chasers don’t spend much time actually inside the storms.

Support scientist Tim Marshall stands outside of a vehicle to observe a supercell thunderstorm in Lamb County, Texas in May 2017
Drew Angerer, Getty Images

The life of any storm chaser is supposed to be thrilling, and it is—for a few minutes or hours at a time. Most chasers spent the majority of their careers traveling toward a storm, either by driving toward it or, in Morgerman’s case, flying. He might be in a hurricane for hours; a tornado might touch down for just a few minutes. Johnson also says he spends much of his time traveling. “When you see videos on YouTube of incredible tornado events, recognize what you’re seeing is the 1 percent of the time,” Johnson tells Mental Floss. “You’re not seeing countless hours at truck stops sleeping on the hood of a truck doing nothing.”

4. The real danger for storm chasers isn’t the weather. It’s the traffic.

Traffic is redirected during a tornado in Linwood, Kansas in May 2019
Kyle Rivas, Getty Images

Severe weather can cause high winds and flooding, but it’s not always nature that winds up being physically threatening, especially because chasers spend so much of their time traveling. (In fact, there’s been only one fatal incident as a direct result of a tornado, when chaser Tim Samaras, his son Paul, and colleague Carl Young were trapped in their vehicle and picked up by 200 mile-per-hour winds during the El Reno tornado in 2013. All three died.)

According to Montana-based storm chaser and National Weather Service meteorologist Cory Mottice, experienced chasers know to fear traffic more than the weather. “In a more highly populated area, you have to worry about traffic congestion,” he says. “A storm might be coming down through Oklahoma and you might be out of danger initially. But as the storm is getting closer, people are worrying and start panicking. They’ll pull under overpasses and get stuck on the road with a tornado coming at them.”

Johnson agrees, adding that injury from storms can often take a back seat to traffic accidents. “The thing that keeps me up at night is the driving, not the tornado,” he says. “The tornado will generally go from point A to point B along a defined path. It’s very well-behaved. The quickest way is a straight line. It’s very visual. You can see where it is and you can avoid it. Driving is a completely different story. Put enough miles on and you’re bound to see a bad accident.”

5. Storm chasers drive armored vehicles.

A reinforced vehicle is pictured near a tornado
Courtesy of Greg Johnson // @tornadogreg, TornadoHunter.com

Driving in pursuit of a tornado requires a little more than simple guts and a willingness to get close to a massively powerful weather event. Chasers need their version of a Batmobile. According to Johnson, professionals usually opt for an armored truck to help insulate them from the destructive power of the storm. “We’re not just driving around in a pick-up truck,” he says. “I have a roll cage to prevent it from being crushed. It’s designed to go off-road. It’s heavier than a normal truck. The steel roll cage adds weight. There’s exterior coating to prevent punctures in the vehicle.”

While the roll cage is heavy, the goal isn’t to make the vehicle heavier so it's harder for a tornado to pick up. “At the end of the day, if you’re caught in a tornado capable of throwing the vehicle, a weight difference of 500 or 800 pounds won’t matter. Tornados can pick up combiners. Those things do happen. I’d rather the truck be lighter and easier on gas.”

6. Storm chasers have seen flying houses.

A weathervane is mounted on the roof of a house
Lobro78/iStock via Getty Images

Storm chasers don’t want to drive directly into a tornado or other severe weather event. They just want to get close enough to obtain readings or to take photographs. Johnson tries to get within 200 or 300 yards to snap photos, which is still close enough to see how intense wind speeds can be. “I’ve seen a house flying through the air,” he says. “I saw a truck flying across the road 50 yards in front of me.”

7. Storm chaser equipment can take a beating.

Jan Dutton of WeatherBug.com tracks Hurricane Isabel in Ocean City, Maryland in September 2003
Mark Wilson, Getty Images

Most chasers hit the road with doppler radar, laptops, cameras, and other equipment to help them analyze data and capture images. If you’ve wondered how they can do that without putting themselves at risk, the answer is simple. For still photography, Mottice puts the camera on a tripod outside while he remains in the truck. That keeps him out of danger—but his equipment is another story. "I have my camera and gear on a tripod. I’m in the vehicle taking remote pictures. The hail can hit the camera. Wind is an issue.” Some chasers bring back-up equipment in case their gear gets pummeled.

8. Storm chasers know they should wear helmets. (But they usually don’t.)

A storm warning sign is pictured
arcady_31/iStock via Getty Images

With flying wreckage cutting through the air, it would stand to reason storm chasers should equip themselves with helmets. Few do, however. “I’m embarrassed to say I don’t wear a helmet,” Morgerman says. “Fans have been pushing me to wear one for years … the whole [television] crew is wearing helmets. I don’t want anything to encumber the experience.”

9. Storm chasers can suffer physical effects.

Hurricane Ike is seen over Cuba in a photo taken by the International Space Station in September 2008
Hurricane Ike is seen over Cuba in a satellite image taken by the International Space Station in September 2008.
NASA via Getty Images

An experienced chaser knows how to plan routes that keep them safely away from tornadoes. For hurricanes, they scope out buildings able to withstand the force of the storm. All that planning, however, doesn’t mean they always walk away unscathed. Morgerman says the violent winds of a hurricane’s eyewall can leave enduring effects. “The intense gustiness can cause rapid pressure changes that can really hurt your ears,” he says.

10. Storm chasers know that thunderstorms can be incredibly destructive.

A storm chaser drives a car with a smashed windshield
Courtesy of Greg Johnson // @tornadogreg, TornadoHunter.com

Most people assume hurricanes and tornadoes represent the pinnacle of danger when it comes to storm-chasing. But according to Mottice, a severe thunderstorm can match or exceed them in destructive power. “Some people think a severe thunderstorm warning with 80 mile-per-hour winds is no big deal, that the tornado is the big deal,” he says. “But winds produce more damage than some tornadoes. In Montana, a storm produced 120 mile-per-hour winds. They can do a lot of damage.”

Mottice also tends to be wary of hail during storms. Once, he says, “I didn’t know a storm was blowing up behind the one we were chasing. We got caught in the core of that one. It threw golf ball-sized hail on us. The vehicles on the roads had broken windows.”

11. Storm chasers worry they might be setting a bad example for amateurs.

Hunter Anderson, a meteorology student at St. Cloud University, films a storm near Limon, Colorado in May 2017
Drew Angerer, Getty Images

In the storm-chasing community, there’s much debate over what separates a professional from an amateur. Generally speaking, professional storm chasers get paid for their work, whether that be compensation for footage or photography. But there's no licensing necessary to chase a storm, and anyone can pursue extreme weather. Morgerman, who has likely been in more hurricanes than anyone alive—he says the Science Channel verified the claim for his television series—believes amateurs who follow chasers on social media might get the wrong idea. “I remember being a 15-year-old weather nerd wanting to have these experiences. I worry I’m setting a bad example. I worry some kids will watch what I do and try to do it but without the experience and knowledge that I have.”

12 Secrets of Roller Coaster Designers

People ride a spinning roller coaster in the Santa Cruz Beach Boardwalk Park
People ride a spinning roller coaster in the Santa Cruz Beach Boardwalk Park
hanusst/iStock via Getty Images

Back in the early 20th century, engineers attempting to push the limits of roller coaster thrills subjected riders to risky upside-down turns and bloody noses. A century later, coaster designers rely on computer software, physics, and psychology to push the limits of the roughly 5000 rides in operation worldwide. To get a sense of what their job entails, Mental Floss spoke with several roller coaster specialists about everything from testing rides with water-filled dummies to how something as simple as paint can influence a coaster experience. Here’s what we learned.

1. Getting strapped in might be the most exciting part of the roller coaster ride.

Known as a “thrill engineer,” UK-based Brendan Walker consults with coaster manufacturers and parks on the psychology of riding the rails. In his experience, riders getting secured into their seats are at the peak of their excitement—even more so than during the ride itself. “The moment the lap bar is being locked down and you have that feeling of things being inescapable, that you have to suffer the effects of the ride, is the highest moment of arousal,” Walker says. “The actual ride might only achieve 80 percent of that excitement.”

2. Designers test roller coasters with water-filled dummies.

Bill Kitchen, founder of U.S. Thrill Rides, says it can take anywhere from two to five years for a coaster to go from idea to execution. Part of that process is devoted to the logistics of securing patents and permits for local site construction—the rest is extensive safety testing. “We’re subject to ASTM [American Society for Testing Materials] standards,” Kitchen says. “It covers every aspect of coasters. The rides are tested with what we call water dummies, or sometimes sandbags.”

The inanimate patrons allow designers to figure out how a coaster will react to the constant use and rider weight of a highly trafficked ride. The water dummies—which look a bit like crash test dummies, but filled with water—can be emptied or filled to simulate different weight capacities. Designers also sometimes use the kind of crash-test dummies found in the auto industry to observe any potential issues prior to actual humans climbing aboard.

3. Every foot of roller coaster track costs a lot of money.

Thrill seekers go upside-down while riding on the Mind Eraser roller coaster in Agawam, Massachusetts
Thrill seekers go upside-down while riding on the Mind Eraser roller coaster in Agawam, Massachusetts
Kirkikis/iStock via Getty Images

There is absolutely nothing random about the length of a coaster’s track. In addition to designing a ride based on the topography of a park site, designers take into account exactly how much space they’ll need to terrorize you and not an inch more. When England’s Alton Towers park was preparing to build a ride named TH13TEEN for a 2010 opening, they asked Walker exactly how much of a drop was needed to scare someone in the dark. “It was a practical question,” Walker says. “For every extra foot of steelwork, it would have cost them £30,000 [roughly $40,000].”

4. Rollercoaster Tycoon brought a lot of people into the business.

The popular PC game, first released in 1999, allowed users to methodically construct their own amusement parks, including the rides. As a proving ground for aspiring engineers and designers, it worked pretty well. Jeff Pike, President of Skyline Attractions, says he’s seen several people grow passionate about the industry as a direct result of the game. “I remember when the game first got popular, I would go to trade shows and there would be kids looking to get into it using screen shots of rides they designed. The game definitely brought a lot of people into the fold.”

5. Paint makes a big difference in coaster speed.

A group of tin metal cans with colorful paint
scanrail/iStock via Getty Images

For all of their high-tech design—the software, fabrication, and precise measures of energy—a good coaster ride can often come down to whether it’s got too much paint on it. “The one thing that will slow down a steel coaster is a build-up of paint on the track rails,” Pike says. “It softens where the wheel is rolling and hitting the track, which increases the drag.” A good, worn-in track will have gray or silver streaks where the wheel has worn down the paint, making it move more quickly.

6. A roller coaster’s skyline is key.

Brian Morrow, former Corporate Vice President for Theme Park Experience at SeaWorld Parks and Entertainment, says that the looming curvature of coasters spotted as guests drive toward and enter the park is very purposeful. “It’s like a movie trailer in that we want you to see some iconic coaster elements, but not the whole thing,” he says. “You approach it with anticipation.”

7. Some coasters arrive as giant model kits.

Whether a coaster’s theme or design comes first is largely left up to the end user—the amusement park. But for some rides, manufacturers are able to offer pre-fabricated constructions that designers can treat like the world’s biggest Erector Set. “Sometimes I work on rides that have already been built,” Walker says. “They’re produced by a company and presented almost like a kit with parts, like a model train set. There’s a curve here, a straight bit here, and you can pick your own layout depending on the lay of the land.”

8. Wooden roller coasters are weather-sensitive.

If you’ve ever been on a wooden coaster that seems a little shaky from one trip to the next, check the forecast: It might be because of the weather. Pike says that humidity and other factors can shrink the wood, affecting how bolts fit and leading to a slightly shakier experience. “The structure itself can flex back and forth,” he says. It’s still perfectly safe—it just takes more maintenance to make sure the wood and fasteners are in proper operating condition. A well-cared-for wooden coaster, Pike says, can usually outlast a steel model.

9. The time of day can affect the coaster experience.

“A coaster running in the morning could run slower when cooler,” Morrow says. “The wheels are not as warm, the bearings are warming up. That could be different by 2 p.m., with a slicked-up wheel chassis.” Coasters experiencing their first-ever test runs can also be slightly unpredictable, according to Pike. "Those first trial runs [during the testing phase] can be slow because everything is just so tight," he says. "A lot of coasters don't even make it around the track. It's not a failure. It's just super-slow."

10. Roller coaster designs can come from unusual places—like Jay Leno’s chin.

The twisting, undulating tracks of coasters can often be the result of necessity: Pike says that trees, underground piping, and available real estate all inform designers when it comes to placing a ride in a specific park. But when they have more freedom, coasters can sometimes take on the distinctive shape of whatever happens to be around the designers at the time of conception. “We had a giant piece of land in Holland that just had no constraints, and we were sitting around talking," Pike says. “And we started talking about Jay Leno’s chin.” The ride was a “loose” representation of the comedian's jaw, but “it is there.”

11. Roller coaster riders double as performers.

A woman taking a ride on a rollercoaster at Oktoberfest in Munich, Germany
A woman taking a ride on a rollercoaster at Oktoberfest in Munich, Germany
exithamster/iStock via Getty Images

For Walker, the best advertising for a coaster is having spectators watch riders de-board after an exhilarating experience. “It’s all about that emotion,” he says. “A spectator basically asks, ‘What’s making them so aroused? What’s giving them such pleasure?’ The line for the ride is the audience. Imagining yourself on the structure becomes a very powerful thing."

12. The future of coasters is vertical.

Biggest, fastest, longest—coasters are running out of superlatives. Because rides can only be designed with so many drips, rolls, or G forces, some companies are looking to the sky for their next big idea. Kitchen has been overseeing design of the Polercoaster for years: It’s a sprawling, skyscraper-esque ride that uses electromagnetic propulsion to carry riders upwards instead of across horizontal tracks. “We want to put it in places where land is very expensive, like the Vegas strip,” he says. “You can only do that if it takes up a lot less space.” The project is set to exceed the 456 feet of the current tallest ride, Kingda Ka at Six Flags in New Jersey. “It’ll be the world’s tallest—and hopefully the most fun.”

This list first ran in 2017.

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