Later on ESPN: Competitive Dishwashing
I turned on ESPN just now and found this airing:
Sport stacking (formerly known as cup stacking) is an individual and team activity played using plastic cups.
Participants of sport stacking upstack and downstack cups in pre-determined sequences, competing against the clock or another player. Sequences are usually pyramids of three, six, or ten cups. Proponents of the sport say participants learn teamwork, cooperation, ambidexterity, and hand-eye coordination.
A cup stacker in action: