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 ...

St. PAUL -- Away from competition, Luke Myers seems like a typical 14-year-old. But put some stacking cups in front of him and prepare to be astonished. The Eden Prairie teenager is among the world's ...