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 ...

EDWARDS ” David Reilly had one word to describe how it feels to be world champion. “Happy,” David said. On April 15, the Edwards 5-year-old won his age division for the 3-6-3 stack in the ESPN World ...

With hands like hummingbird wings, William Polly of Arlington, Va., stacks and unstacks plastic cups faster than almost anyone on the planet. He may only be 13, but already the soft-spoken ...

The 3-6-3 features a larger, six-cup stack in the middle and goes about two seconds. The dizzying cycle starts with a 3-6-3, followed by two six-cup stacks, then a large 10-cup stack – all in about ...