The last time we checked in with former NASA engineer Mark Rober, he was demonstrating the World’s Largest Nerf Blaster; a scaled-up version of the $29.95 Nerf N-Strike Maverick that shoots massive foam darts made from pool noodles and toilet plungers at an impressive 40 mph thanks to an onboard 3,000 PSI air tank. For…

Although summer is officially coming to a close, squirt gun weather is still in full effect in most places. But regardless if you have sniper-like skills from the bushes or have a more run and gun approach, you’ll likely want to stay home for the afternoon if this (big) kid comes out to play. Built…