You can use this rubber stopper to contain liquid in test tubes and flasks. Fits tightly to prevent chemical leaks. Highly recommended for use in the science classroom or when displaying a science project!
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 toy combines the wonders of Sea Monkeys and glow-in-the-dark fun, all in one!
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
Learn all about Newton’s Laws and Energy conservation.
A combination of three of our great discovery toys, all in one package!
Do micro-controller projects and program them using your own computer!