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.

FORT BENNING, Ga., (Feb. 24, 2016) -- Stowers and Loyd Elementary School students made a strong showing in the HOTLanta Open Sport Stacking, or cup stacking, Championship Feb. 13. The event was hosted ...

Matt Adame was 8 when his cup-stacking talents landed him on “The Tonight Show.” Twenty years later, he recalls the scene as Johnny Carson and Ed McMahon tried to finesse the plastic tumblers. “I ...