E-Blox Circuit Blocks Build Your Own Eco Fidget Lights

Use the hand crank to generate electricity and light the three LEDs! Learn about polarity and see what happens when you turn the crank in either direction. 7 different projects.

The kit includes 7 pieces - three (3) LEDs - Heart (red), Star (blue),
and Blue/Red Bi-Directional.

No Batteries required.

8+ years.