This small but powerful electro-magnet can lift up to 2.5kg with only 3V power (two AA batteries)! Great for teaching about electricity and magnetism, for DIY hobby projects and science experiments.
Use this kit to introduce electromagnetic principles in the classroom setting!
This classic desk toy will keep you amused!
Cool new Pi tee featuring ultra soft and light blue 100% cotton shirt.
Working model representing the sun, earth, and moon and their relationships.
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
Get one of the craziest and coolest kaleidoscopes around!