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 ...

It's an unusual and popular sport called stacking. Participants beat by seeing how fast they can stack cups and a world record holders get this a Maryland 10 year old. 11. News education reporter Tim ...