Capable of firing darts at speeds of up to 40 mph, ex-NASA engineer Mark Rober's latest contraption is the world's largest Nerf gun.

The world’s biggest Nerf gun works with a 3000 psi paintball tank that shoots air into a firing chamber when the trigger is pushed forward. When you’re ready to shoot, pull the giant trigger ...

It may be every child's dream, but for Mark Rober, the biggest toy gun ever is actually a reality.

The gun appears to be around five-feet long and the “darts” are made of toilet plungers and pool noodles. Rober claims it is the world’s largest Nerf gun.

A former NASA engineer and two "fellow engineering nerds" have created the world’s largest Nerf gun. Mark Rober has become a YouTube sensation with his creative designs. The giant gun is powered ...

The gun can fire darts made of pool noodles and plungers over 130 yards. Updated: 8:43 AM EDT Jun 23, 2016 Sean McDonald News/NH Chronicle Anchor Man creates world's largest Nerf gun ...

An Alabama engineer took inspiration from his childhood to break a Guinness World Record for building the world's largest Nerf gun.

Mark Rober built the world's largest functional nerf gun, which can fire darts at speeds of 40 mph that go up to 400 feet.

A group of engineers took the internet by storm this week when they debuted the world’s largest Nerf gun, a ridiculous scale-replica of the popular Nerf Maverick pistol. After Rober’s video ...

The world's largest working Nerf gun, built by a former NASA engineer, can shoot at 40 mph.

With its new ball-shooting Rival's line, Nerf already makes some pretty serious toy guns. But the really craziness starts to happen in the DIY scene. We're talking fully-automatic foam-hoses, and ...