12 Cups to stack play Speed Stacking as a sport or just explore, work math elements and have fun.
This sport consists in rapidly up-stacking and down-stacking cups in specific sequences—3-3-3, 3-6-3, or the Cycle—using both hands to build pyramids and then nesting them back together. Start on one side, move to the other, and always down-stack in the same direction you up-stacked. See instructions for more information.