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 a magnetic levitating train with this science fair project kit!
Use this awesome prism to teach about optics and light in the classroom setting!
Learn all about the science of light, optics and visual perception with this wonderful kit!
Build a robot that's an artist too!
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!
This SUPER Erector Construction set is one of the best you'll find anywhere!