The "Wisconsin Winter Stack Up" hosted some of the country's fastest cup stackers. Sport stacking is a competition in which competitors stack specially designed cups up and down in set patterns. Speed ...

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 ...

Most sports are actually absurd. Golf involves hitting a tiny ball into a hole hundreds of yards away. Soccer is based on the idea of what if we didn't use our hands. Speed stacking — if you really ...