The Speed Stacks Competitor includes choice of any cup color, a Gen3 StackMat (Timer and Mat), the StackFast DVD and our Black Gear Bag for holding everything. peed Stacks® are specially designed high-tech Sport Stacking cups endorsed by the World Sport Stacking Association (WSSA) for competition. Speed Stacks are the only products approved for use in WSSA sanctioned events and each cup carries the official WSSA seal of approval.
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