TEDCO Hoberman Sphere Rainbow

$34.7913

The polymer links allow the sphere to change in volume 30 times larger.

Features:
– Includes an educational booklet about the sphere, a21 Cool Things To Doactivity sheet, a pulley, and hanging hardware.
– Instructions for hanging as a cool kinetic energy mobile.
– Magically expands from 9.5″ to 30″
– For ages 4+