An ancient toy featuring optical illusion and hands-on fun that never grows old!
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.
This adapter-powered butterfly uses Flexinor wires to create a realistic visual effect!
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!
This black scorpion specimen is great for the classroom setting!
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