Practise and challenge your friends! Download the Water bottle Rockets PDF(378 Kb). Adobe Acrobat is required. SAFETY: This rocket uses air pressure to fling a bottle at high speed 20–50 metres.

This water rocket launcher lets you do just that. Built using the frame from an old grill, a soda bottle takes its place on the upturned PVC pipe. There’s a connection for your garden hose ...

This piece of engineering is so simple and elegant, you’ll want to build a pretty serious water ... of your rocket. The main portion of the build is made out of plastic soda bottles (2 liter ...