Feature

●12 SOLAR Speed Stacks Competition Cups ( Color Changers )
●STACKit Precision Timer
●STACKit Mat - Provides cushioning and just the right surface friction and stability.
●Printed Instructions
●Speed Stacks are the Official Product of the WSSA - World Sport Stacking Association.


Description

Speed Stacks SOLAR StackPack Play Set - Cups Change Color in the Sun!