Sport stacking, also known as cup stacking or speed stacking, is indeed recognized as a real sport. It has evolved from a pastime activity to a competitive sport with its own set of rules and regulations. The sport involves participants quickly stacking plastic cups in specific sequences and then unstacking them in a race against time. The World Sport Stacking Association (WSSA) serves as the governing body for the sport, establishing the rules and overseeing competitions worldwide. read more >>

Sport stacking (also known as cup stacking or speed stacking) is an individual and team sport that involves stacking plastic cups in specific sequences in as little time as possible. ... The governing body setting the rule is the World Sport Stacking Association (WSSA).read more >>