The unique big size (L×W=11.7in×11.7in) sensory toy is bigger than others that you can enjoy more in each round and provide more choices and entertainment. This Two-person Interaction Puzzle toys are great for everyone age 3 years up. The two-person Interaction chess board toy brings you endless joy and entertainment by using the dices. Players take turns pressing down based on any number of dice the opponent throws, and whoever push last pop will lost.