This water rocket launcher lets you do just that. ... That bottle could use some fins and a nose cone but there’s no denying the delight the kids are enjoying when they chase after the downed craft.

Decoration. Once your rocket is built, decorate it! Add glitter or a scary face, or keep it NASA-appropriate with a gleaming white paint job. The only necessary marking is a fill line for your water.

Water rockets work on the premise that if water is evacuated from one side of a container, ... Usually, this takes the form of a 2-liter bottle, a tire pump and some cardboard fins.

Idaho State University's Physics Department students taught the kids a little about physics and showed them how to build ...

I know, I know. Water rocket. Whatever, right? Been there, done that, it’s cool and all, but it’s kinda like the diet coke & mentos thing. It’s been done to death. Well, this ain’t your ...

Water rockets are created from plastic bottles, made aerodynamic by nose cones and fins. The rocket is part filled with water, and air is pumped in with a foot pump.

Water rockets are created from plastic bottles, made aerodynamic by nose cones and fins. The rocket is part filled with water, and air is pumped in with a foot pump.