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!
Build 14 assorted solar robots, some of which can travel over water!
Easily assemble a working alarm motion detector!
This project book and sample kit introduces you to shape-memory alloy technology!
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 superb chemistry set features 350 mind-boggling experiments!
Build a hand that realistically moves its fingers using shape memory allow technology!