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.

Yung-Deng Lin can stack a group of cups in about 1.6 seconds, an impressive time for a 7-year-old. To give an idea of how fast the child can stack cups, the World Sport Stacking Association overall ...