Features:1. Made of high-quality ABS environmentally friendly materials, with smooth surface, comfortable hand feel, safe and durable.2. Helps improve children's operational ability and hand-eye coordination, exercise memory and logical thinking.3. Interactive activities between children and parents to cultivate and exercise children's communication skills, strengthen communication and enhance parent-child relationship.4. Tests critical thinking while training memory and spatial awarene.Specification:Material: ABSSize:Checkerboard: about 21cm/8.26inLarge che piece: about 6.3*4*CM/2.48*1.57*INMedium che piece: about 4*3*CM/1.57*1.18*INSmall che piece: about 2.5*1.8*CM/0.98*0.71*INWeight: about 257gGame Rules:In order, players can move your own cup by placing a new cup on the stage and placing it in any empty spot on the board. Use the large cup on your plate to top the small cup (the small cup can be your own or your opponent's).The newly placed cup must be placed in the space on the plate, unle the other party already has three cups forming a straight line, in which case you can coverof the three cups with the new cup outside the plate.Before the game is over, you can only move the cups on the table if you have placed all 12 cups on the table.The first player to line up the cups wins. Lines in a row can be horizontal, vertical, or diagonal.Packing List:Small Che Piece Red*3Medium Che Piece Red*3Large Che Piece Red *3Small Che Piece Blue*3Medium Che Piece Blue*3Large Che Piece Blue*3Cheboard Installation Rod*4Sticker*1