The original Hoberman sphere rings has linking rings of color that magically expand from 9.5 to 30". You can hang it from the ceiling and using the pulley, create an expanding mobile that you can open and close.
Product Features
Product dimension - 10.125" L x 10.125" W x 9.625" H
Weight - 1.95 lbs
Includes 1 expanding sphere, pulley, instructions
Suitable for ages 4 and up
For 1 player
Warning - choking hazard - contains small parts, not suitable for children under 3 years
