Klutz DIY Rainbow Catcher: Maker Lab STEM Kit
- 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.