The incredible sport of cup stacking, explained

Sport stacking (also called cup stacking and speed stacking) may look pretty straight forward — upstacking (assemble cups in different formations) and downstacking (disassemble) a certain number of cups in a certain order as fast as possible — but it’s the millisecond improvements that the sport stacking pros are chasing.

In this Vox video, Phil Edwards explains the sport of cup stacking and its rising popularity.