This is not your ordinary sphere. By lightly grabbing two ends of the sphere and pulling, you can make it expand from 5.5 inches to a whopping 12 inches! The Mini Hoberman Sphere is a great way to have fun and teach adults and children about geometry at the same time. The sphere includes a game and activity sheet to help you explore all kinds of interesting ways to use it!
Is it a demonstration of a scientific law or a work of art?
Build over 60 projects with this deluxe version of the Snap Rover kit!
Find the hidden crystals when you open your own geodes from this fun set.
Use this kit to introduce electromagnetic principles in the classroom setting!
Provides the power to execute all the basic electrostatic demonstrations on an energetic and dramatic scale with up to 350,000 volts!
This adapter-powered butterfly uses Flexinor wires to create a realistic visual effect!