Building this launcher is simple if you already have a mill. It does a remarkable job of pressurizing and launching soda bottles which are partially filled with water. The main component of this ...

Easy to assemble metal water rocket launcher with a 125 PSI safety valve. Rocket will NOT fly straight without an aerodynamic nose cone made from a second soda bottle and use only 1 cup (200 ml ...

School will be starting again in a few weeks but it’s not too late to enjoy a little time with your kids. This water rocket launcher lets you do just that. Built using the frame from an old ...

This stunt has lots going on: air pressure, a satisfying 'whoosh' noise, a high speed departure and a good soaking if you are standing close. It's classic science that's fun to do as a family or a ...

Mentos has teamed up with Fortnite Creative to reimagine the popular backyard science experiment where placing a mint sweet into a bottle of cola creates a homemade rocket launcher. Developed ...