PORT BYRON, Illinois -- Riverdale High School was a playground for Legos on Sunday afternoon for both the robots stacking them and the children the event was benefiting. The FIRST Tech Challenge ...
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.
Editor's note: This segment was rebroadcast on Sept. 30, 2025. Click here for that audio. In the early 2000s, thousands of U.S. schools had their students race the clock to stack cups in gym class.
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