A set of seven different glass lenses and prisms perfect for use with a ray box or in classroom optics demonstrations.
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 adapter-powered butterfly uses Flexinor wires to create a realistic visual effect!
A cool kit that helps you build your very own robotic arm!
Build over 100 exciting electronic projects with this easy to use kit!
This chemistry learning and experiment kit comes with components and chemicals for over 75 amazing experiments!
Build 14 assorted solar robots, some of which can travel over water!