A set of 20 plastic petri dishes, each with a diameter of 55mm. Great for chemistry experiments, and an easy and affordable way for teachers and chemistry instructors to stock their clasrooms for the school year.
Perform awesome experiments using everyday materials found in any kitchen!
Get one of the craziest and coolest kaleidoscopes around!
This magic bird defies gravity before your very eyes!
Build a robot that's an artist too!
Great reference card for chemistry and physics students.
Build your own windmill generator kit by recycling a plastic bottle!