A plastic petri dish with a diameter of 85mm. Great for chemistry experiments, and an easy and affordable way for teachers and chemistry instructors to re-stock their clasrooms for the school year.
Build your own windmill generator kit by recycling a plastic bottle!
Watch this laser pointer emit a cool purple beam!
This kit includes several different projects that demonstrate the power of magnets!
The Hoberman Sphere expands and contracts with a magical motion so fluid and simple that kids can't help but play with it for hours.
Command robotic creations with this cool construction kit!
This is a classic demonstration toy of the powers of magnetic fields!