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 black scorpion specimen is great for the classroom setting!
View the glory of space with this hi-tech telescope set!
See the constellations visible in the Northern Hemisphere on this watch!
Find the hidden crystals when you open your own geodes from this fun set.
Build your own windmill generator kit by recycling a plastic bottle!
Build over 100 exciting electronic projects with this easy to use kit!