Man Builds World’s Largest Functional NERF Gun [Video]

Former NASA engineer Mark Rober made the world’s largest functional NERF gun and tested it for our viewing pleasure. Then (below,) two of his friends replaced the pneumatic compression system with a system that uses black powder to launch projectiles. Check it out.

[Mark Rober]

Geeks are Sexy needs YOUR help. Learn more about how YOU can support us here.