Inventor and former Nasa engineer, Mark Rober, shows off the world's largest functional Nerf gun he created with help from his friends Ryan and David from Eclectical Engineering. In the video below, watch the giant Nerf gun obliterate watermelons.
Previously from Mark: How to Make a Snowball Machine Gun
Tuesday, June 21, 2016
The World's Largest Nerf Gun
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Tuesday, June 21, 2016
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