This geared DC motor is excellent as a component in DIY mechanical projects, such as making your own solar or battery powered cars or robots. Can be used with a wide variety of hobby and science fair projects.
This mirascope creates a 3D hologram image!
This great rock tumbling kit comes with everything you need to polish stones and gems!
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.
Working model representing the sun, earth, and moon and their relationships.
An unconventional ball-tossing, head-catching challenge for 2 players or teams!
See the constellations visible in the Northern Hemisphere on this watch!