Description
- Build a motorized machine that makes rainbows spin around your room!
- Gears and electronic components snap together, and machine sticks securely to windows.
- 8 experiments and activities using easy-to-find materials from home.
- Learn about the science of light, optics, and weather conditions for rainbows in the 32-page book
- Two AA batteries needed from home
Reviews
There are no reviews yet.