Fifth-grader Luke Mueller high fives Utah's number one sport stacker, Ethan Sumsion, after they raced during a sport stacking event at South Weber Elementary school on Thursday, November 13, 2014.

Blink, and you’ll miss Michael Haig’s blur of cups and hands as the world record holder assembles cups into a pyramid. The ambidextrous phenom, who just turned 5 on Aug. 26, can’t get enough of cup ...

Many go the distance mentally through sport stacking, an activity that has become a trend in physical-education classes across the country. On Nov. 6, 80 Leacock Elementary third-graders joined 81,252 ...

Sampson Elementary teacher Charlotte French prefers the nontraditional approach to teaching physical education, so when she first saw a little girl stacking plastic cups in a fury at a table while at ...