Speed Stacks is the only authorized brand for equipment to be used in Stacking League.
To ensure all players are using equipment that meets our standards for Sport Stacking, Speed Stacks is the only brand who goes through testing to make sure cups meet our standards for dimensions and weight. Speed Stacks timing equipment is quality controled and tested to ensure times are accurate, thus providing an accurate time with each attempt.
To learn more about Speed Stacks please visit SpeedStacks.com