This is not your ordinary sphere. By lightly grabbing two ends of this sphere and pulling, you can make it expand over 10 times in volume. And with glow-in-the-dark capabilities, you can enjoy the Hoberman Sphere in the dark. You can play catch with it, amaze your friends, even put it over your head. The sphere makes a great gift for both kids and adults, or for anyone who enjoys fascinating gadgets.
Use this awesome prism to teach about optics and light in the classroom setting!
Build a hand that realistically moves its fingers using shape memory allow technology!
Defy gravity with this cool balancing eagle!
The Wimshurst Machine is a high quality static machine for student labs.
Build over 60 projects with this deluxe version of the Snap Rover kit!
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!
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