Kids, friends, and family go head-to-head in this hilarious cup stacking challenge using just a cardboard box and cups! It’s a simple DIY party game that’s easy to set up and full of laughs.

Old Mission Peninsula School is proving that their winter sports program is stacked! They’re participating in the , an attempt to have the most students around the world stack cups for 30 minutes.

These kids gathered in the living room, their eyes twinkling with excitement as they prepared for the cup-stacking challenge.

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.