Childrens Edutoy - Make A Propeller Yacht /Or A Racer, Both Powered By A Simple Rubber-band Engine, Recommended Age: 8+
- Make a propeller yacht and a racer, both powered by a simple rubber-band engine.
- Forget batteries, and learn how the useful material, rubber, can store energy and release it to generate enough wind power to really move these machines.
- You'll be surprised by the amount of wind energy created by the spinning propellers to drive the racer on land, and the yacht on water.
- Perfect for budding engineers to learn about energy transformations and how simple machines work.
- Age: 8+ what you get rubber band powered propeller engines kidz labs science kit.