Sport stacking is a competition in which competitors stack specially designed cups up and down in set patterns. Speed Stacks said a University of Wisconsin-La Crosse professor's research found ...

The aim is to smoothly stack a pyramid of cups without ... the benefits in places you didn’t expect. Fans of Speed Stacking use special cups that are made of hard plastic, have holes in the ...

An curved arrow pointing right. Taiwan took home 11 gold medals from the World Sport Stacking Championships in Germany. Most team members started before age 10. Story and editing by Alana Yzola ...