Superstructs™ Gears Expansion Pack

Comes with 16 gears-4 each small, medium, large and extra large, plus enough rods, wheels and connectors for discovering cause and effect relationships. Comes packaged in a sturdy box. 72 pc. Set. Ages 5 yrs. +.

• Comes with 16 gears - 4 each small, medium, large and extra large, plus enough rods, wheels and connectors
• Comes packaged in a storage box
• 72 pc. Set
• Ages 5 yrs. +.