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!
This ultimate chemistry set features 250 mind-boggling experiments!
Get this great introductory chemistry kit for your favorite young scientist!
View the glory of space with this hi-tech telescope set!
Watch what your music can create with this amazing Snap Circuits set!
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!
Exciting magnet exploration for ages 8 and up!