Sampson Elementary teacher Charlotte French prefers the nontraditional approach to teaching physical education, so when she first saw a little girl stacking plastic cups in a fury at a table while at ...

Start with 12 plastic cups. Use stacks of three, six and three cups to make and dismantle a series of pyramids until you are left again with the original stacks, the 3-6-3 combination. Tyler Ludwig, 8 ...

Also known as sport stacking or speed stacking, cup stacking is a sport where people rapidly stack and collapse (called down stacking) pyramids of plastic cups. The cups approved for competition by ...