This compass features a liquid-filled plastic body with a black base and white markings for clear visibility. This is an excellent economical compass for classroom lessons or for scouting projects.
This classic desk toy will keep you amused!
Check out this high-quality gyroscope!
The large realistic model has removable organs that can be studied and set back into the correct position.
Cool new Pi tee featuring ultra soft and light blue 100% cotton shirt.
Build your own 10 inch kaleidoscope with this great kit!
Learn about hydrogen fuel cells with this incredible kit!