High-quality weight with a hook fitted through the center allow you to hook weights together in tandem or use them one at a time.
Pass-through hooks are included on both sides of the weight!
Experience this sphere powered by the sun!
With this kit, you can conduct 25 experiments to learn how an electric motor converts electricity into motion, and how an electric generator does just the opposite, converting motion into electricity.
A cool kit that helps you build your very own robotic arm!
View the glory of space with this hi-tech telescope set!
This 1mW, 532nm Super Safe Green Laser Pointer is for education, government or other settings where safety is a concern.
Discover how solar cells make electricity with this awesome kit!