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Rally driver Catie shows off three amazing machines that have propellers.

Rally driver Catie shows off three amazing vehicles that travel underwater.

Rally driver Catie shows off three amazing trucks.

Rally driver Catie shows off three amazing off-road machines. She rides a quad bike, shows us an amazing space exploration vehicle, and then drives a tank.

Rally driver Catie drives a supercar, shows us around a really fancy super yacht, and then challenges herself to drive a stretch limousine around her track without spilling any drinks.

Rally driver Catie shows off three amazing machines that belong on water. She tries out a water scooter, visits the largest cruise ship in the world, and then pilots a speedy yacht.

Rally driver Catie shows off three amazing machines that are used on farms.

Rally driver Catie shows off three amazing machines that each have only three wheels.

Rally driver Catie shows off three amazing machines that all have sails.

Rally driver Catie shows off three amazing machines that run on rails.

Rally driver Catie shows off three amazing building machines.

Rally driver Catie shows off three amazing machines with big wheels.

Rally driver Catie shows off three amazing machines that are all made to race.

Get ready for school with some super-fun hacks. Molly has some DIY lunch snacks, Gabe and Jenna are both pranking the teacher with some clever tricks, and Devonte is shining school shoes with - bananas?

Rally driver Catie shows off three amazing machines that are all made to lift things: a straddle carrier, a ship crane, and a forklift truck.

Hit the road with some hacks on the go! Christian has a snack for when you're running late, Miles makes perfect paper planes, Gabe has a prank that'll crack your parents up, and Abhi takes your sneakers to the next level.

Rally driver Catie looks at machines that go on both land and water: a hovercraft, a machine that can go on land, sea and ice; and an amphibious tank.