This fully assembled Arduino shield can drive relays, solenoids, DC and stepper motors.
Every kid needs one of these spheres!
Provides the power to execute all the basic electrostatic demonstrations on an energetic and dramatic scale with up to 350,000 volts!
The large realistic model has removable organs that can be studied and set back into the correct position.
Discover how solar cells make electricity with this awesome kit!
This classic device is used to demonstrate the conservation of mechanical energy.
The Hoberman Sphere expands and contracts with a magical motion so fluid and simple that kids can't help but play with it for hours.