11:44

I Built The Most Powerful Mini Desktop Weapon

8:46

This is why potato cannons are dangerous.

13:47

How to Make a PRO Blowgun & Darts for $10 (best on youtube)

24:24

I Built an Extremely Powerful Slingshot

13:22

Homemade Air Cannon- “Everything Launcher”

6:59

Simple Inventions by a Clever Handyman That Will Blow Your Mind

22:15

I Built a Supersonic NERF Blaster

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Making the Banana Knife