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.

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.

Most sports are actually absurd. Golf involves hitting a tiny ball into a hole hundreds of yards away. Soccer is based on the idea of what if we didn't use our hands. Speed stacking — if you really ...

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.