Use these steel balls as a substitute for iron filings for studying the phenomenon of magnetic fields. You can form clusters and chains between unlike poles of magnets. Each ball is polished and measures 3mm diameter. Pack of 100. Good for a variety of science applications (science projects, demonstrations and more).
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.
Get one of the craziest and coolest kaleidoscopes around!
An ancient toy featuring optical illusion and hands-on fun that never grows old!
This classic desk toy will keep you amused!
Ever wonder how to survive in the wilderness? These cards can help!
This kit focuses on teaching children about electricity and how electronic devices work!
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