Speed Stacking is an individual and team sport that involves stacking plastic cups in specific sequences in as little time as possible. The cups are specially designed to make for faster times. The governing body setting the rule is the WSSA (World Sport Stacking Association). Participants of speed stacking stack cups in pre-determined sequences. Sequences are usually pyramids of 3, 6, or 10 cups. Players compete against the clock or another player.
Speed Stacking Tournament http://www.gorsewood.halton.sch.uk/news/speed-stacking-/16342