A set of 20 plastic petri dishes, each with a diameter of 85mm. Great for chemistry experiments, and an easy and affordable way for teachers and chemistry instructors to stock their clasrooms for the school year.
Petri dish size: 85mm (3.35 inch) x 16mm (0.75 inch)
Build 14 assorted solar robots, some of which can travel over water!
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.
This project book and sample kit introduces you to shape-memory alloy technology!
Command robotic creations with this cool construction kit!
This magic bird defies gravity before your very eyes!
The Duncan Phoenix Diabolo features a stable, hard rubber shell that retains its shape.