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.

If you purchase an independently reviewed product or service through a link on our website, SheKnows may receive an affiliate commission. The First Years Stack & Count Cups come with eight colorful ...

Stanley recently released a new favorite of yours. The Stay-Hot Stacking Cups are available in five complementary colors—black, cream gloss, pale pebble, ash, and shale—the new Stay-Hot Stacking Cups ...

YETI consistently delivers innovative products, and its Rambler 6 Oz Stacking Cups are no exception. They’re designed for coffee and go way beyond your standard mug. The current color on sale is part ...

If your mornings could use a little boost, these new Stanley Stay-Hot Stacking Cups might be made just for you. Available in five coordinating colors — black, cream gloss, pale pebble, ash and shale — ...