Snowball machine gun is as awesome as you think it would be

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Tired of losing snowball fights?

Here’s how to make a snowball machine gun that can fire 13 snowballs in half a second.

Inventor Mark Rober studied mechanical engineering in school and ended up working for NASA for almost a decade. He spent seven years working on the Curiosity Rover.

He’s a fan of simple, creative design, so all you really need is some PVC pipe and a leaf-blower.

Rober also provides a how-to guide for building this must- have in any self-respecting uncle’s arsenal.