Speed Stacks: Competition Cups - Metallic Green

Object: Stack or unstack cups in patterns as quickly as you can. Sport Stacking with Speed Stacks is one of the fastest growing new sports in the country. Stackers up stack and down stack 12 specially designed cups in specific patterns using the patented StackMat„ to measure and record their best times.
The StackPack includes: 12 Stacking Cups and patented "Quick Release Carrier".
These Competition Cups are specially designed for hands of all sizes.  They are made of tough memory plastic to retain their shape and internal ribs for proper separation.  They also have large center air hole vents for faster stacking. Includes a patented quick release carrier - just zip it out and you're stacking instantly!  It also protects cups when not in use. 
Sport stacking promotes hand-eye coordination, ambidexterity, quickness and concentration - important skills for all sports!  Already used by thousands of physical education teachers, coaches and youth program directors, sport stacking reaches out to all ages and levels of physical ability.  It can be played individually, with a partner, or as a team.  Sport stacking encourages everyone to succeed while still challenging the most athletic players.
Speed Stacks are the only products approved for use in the WSSA sanctioned events and each cup carries the official WSSA seal of approval.