Speed Stacks, from Speed Stacks Inc., are specially designed Sport Stacking cups endorsed by the World Sport Stacking Association (WSSA) for competition. Sport Stacking is a sport of fitness, agility, concentration, and quickness. The Speed Stack StackPack provides what kids need to get started in Sport Stacking. The StackPack includes choice of cup color, a Gen3 StackMat (timer and mat), and the StackFast DVD with instructions, World Championship highlights, Sport Stacking techniques, and competitions. New to the line are Speed Stacks Minis. Available in a rainbow pack, Minis are 2.5 times smaller than regular size Speed Stacks.
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