Yung-Deng Lin can stack a group of cups in about 1.6 seconds, an impressive time for a 7-year-old. To give an idea of how fast the child can stack cups, the World Sport Stacking Association overall ...

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 ...

For the international 2012 Stack Up, people across the globe stacked cups, trying to achieve the most people stacking cups in multiple places in one day. Participants were trying to beat the 2001 ...

Some of the world's fastest cup stackers are right here in Philadelphia. What's cup stacking? It's a growing sport, as school officials found out this week. KYW's Mike DeNardo says don't blink. If you ...