Large Rainbow Sphere Water The high RPM propeller engine

The high RPM propeller engine makes for exciting racing with its streamlined design allowing super high top speeds

Soft plastic casing with efficient LED bulb

They are made of a crystalline material that sparkle in the light even when Peg Brite is turned off

Kids can DIY with tearable scratch sheets

5 prepared slides

Large Rainbow Sphere Water The high RPM propeller engineThe Hoberman Sphere starts small and expands bigger than you'd ever expect! Made of rainbow colored plastic links, the sphere expands to 30 inches in diameter and contracts to a compact 9. 5 inches. There's a hypnotic fascination in making the sphere expand and contract over and over again, especially in a dark room because this crazy sphere glows in the dark! Want to do more with the sphere? A guide (included) lists some possibilities. How about