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 ...

Speed stacking was started in 1999, with the competition side starting in 2006, but 8-year-old Neev has taken the sport to an entirely different level. He’s only been speed-stacking for about a year. ...

A nursing home taught pensioners a Speed Stacks game to help improve their brain function. Footage shows the elderly residents practising their agility by stacking cups and making pyramids on tables ...

Blink and you might just miss it. The blur of crisscrossing hands and zigzagging neon cups is probably the weirdest organized sport you’ve never heard of. Dubbed sport stacking, this rapid-fire ...