Build and listen to this working radio without batteries or electricity of any kind. Complete with tuning coil, antennas, and earphone. No soldering required. Instructions included.
WARNING: Choking hazard. Small parts. Not for children under 3 years. Learn More
Have fun capturing the sun’s energy with three build-it-yourself, solar-powered science projects: a helicopter, a fan, and a windmill with LED.
Includes battery back-up (for indoor use) and a 23" x 16" solar science poster. Learn More