Speed Stacks G4 STACKMAT - Neon Bubbles

Endorsed by the World Sport Stacking Association (WSSA) as the official timing device for Sport Stacking, the StackMat Pro combines a detachable precision Competition Timer accurate to 0.001 with super sensitive touch pads and an "optimum" stacking surface. Features: **Accuracy to 0.001 seconds **Memory feature to save your best times **Data port to connect to external display **Gen 4 Graphics