World's Largest Coin Spinner
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World's Largest Frisbee Launcher
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$10,000 Tennis Ball Cannon Challenge
11:34
Robot Piano Catches Fire Playing Rush E (World’s Hardest Song)
12:04
World's Largest Lemon Battery
7:36
World's Largest Toy Catapult
13:06
HUGE Magnet VS Copper Sphere - Defying Gravity- Will a Neodymium Magnet Float Inside?
17:14
Building the FASTEST Slot Cars
10:53