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!
* Mini Hoberman sphere that expands up to 12 inches.
* Colorful and creative toy for both children and adults to enjoy.
* Includes game and activity sheet.