Making shoes to jump 200% higher
12:47
This Knife Cuts 333 times per SECOND
14:15
Hulk Hands that Actually SMASH
25:54
My New Satellite Can Take Your Selfie From Space
12:03
Bee Gun, the gun that shoots bees
6:58
How Difficult Are Jumping Stilts?
16:21
How many pressure washers does it take to fly?
15:25
I Built Shoes To Make Me Run Fast! (World Record)
17:44