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.
This science kit is an essential introduction to physics knowledge!
This quality Dobsonian style telescope features a 76 mm aperture reflector optical tube.
Build over 100 exciting electronic projects with this easy to use kit!
This glass Erlenmeyer mug makes an excellent gift!
Build a model car that runs on hydrogen gas using a unique reversible fuel cell!
Watch this laser pointer emit a cool purple beam!