The Speed Stacks Set includes a Gx Mat and Gx Timer, designed for competitive cup stacking. The Gx Mat provides a non-slip surface for stability during play, while the Gx Timer ensures accurate performance tracking with a built-in display. The set is compatible with official Speed Stacks competitions, meeting regulation standards for timing and play surface. The timer features a start/stop function and displays results in seconds and hundredths of a second. The mat measures 24 inches by 30 inches, offering ample space for stacking sequences. Both components are constructed for durability and consistent use in training or competitive settings.