• Science in action. • Create your own Water Rocket. • Watch the rocket fly! • Can reach a height of 10m. • Ideal as a birthday present. • Bicycle pump required - not included. Great Gizmos offer a very large range of inspirational, inspiring, creative, imaginative, fun and educational toys. The Science in Action Water Rocket kit is new to Great Gizmos this year. Create your own rocket using only a bottle, water and a pump. See how the rocket flies as you pump gas into action. It can reach an amazing height of up to 10 metres. This Water Rocket kit is not only educational but will also give you hours and hours of fun and entertainment. Additional details: Packaging size: 215mm x 95mm x 290mm Recommended age: 14+