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!
A cool kit that helps you build your very own robotic arm!
This caffeine molecule mug makes an excellent gift!
Get swept away by this fantastic robot kit that uses vibrations to move!
Discover how solar cells make electricity with this awesome kit!
Comprehensive collection of 30 fossils.
Build over 100 exciting electronic projects with this easy to use kit!