This challenge is a fun way to improve your hand eye coordination as well as impress your mates. The aim is to smoothly stack a pyramid of cups without knocking them over, and then dismantle your ...
VIRGINIA BEACH, Va. (WVEC) -- The clock, concentration, coordination... the cups! Welcome to the sport of speed cup stacking. "It is a sport," said 17-year-old speed stacker Matthew Hill. "It promotes ...
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