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!
Learn how solar cells transform light into electrical energy with this great kit!
The large realistic model has removable organs that can be studied and set back into the correct position.
This classic device is used to demonstrate the conservation of mechanical energy.
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
Discover how solar cells make electricity with this awesome kit!
Learn all about the science of light, optics and visual perception with this wonderful kit!