Speed Stacks | G5 Stackmat (Timer and Mat) | Accuracy to 0.001 Seconds, Batteries Included | Endorsed by Sport Stacking and Cubing associations

FUN, EASY, ATHLETIC: Sport Stacking is one of fastest growing new sports in the country. Help kids develop motor skills, ambidexterity and agility.. TEST YOURSELF: The G5 StackMat combines a detachable precision Competition Timer accurate to 0.001 with super sensitive touch pads and an ""optimum"" Stacking Surface to accurately time your performance.. NEW DESIGN: Two operation modes, 4-pad (for stacking) and 2-pad (for cubing). 4-Pad mode ensures proper starting position.. VERSATILE: Compatible for cubing and sport stacking. Data port to connect to external display. OFFICIAL: Endorsed by the World Sport Stacking Association (WSSA) and World Cubing Association (WCA)