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!
Command robotic creations with this cool construction kit!
Build a hand that realistically moves its fingers using shape memory allow technology!
Watch what your music can create with this amazing Snap Circuits set!
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 caffeine molecule mug makes an excellent gift!
Buy Newton's Cradle or balance balls here! This classic science desk toy that will keep you amused and teach you physics.