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 ...
Zander_Zone on MSN
Cup stacking race turns into a speed challenge
Watch the race to stack all the cups first as players compete for the win. Fast hands, quick moves, and plenty of fun make ...
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