Bullet Points: 1Logical Reasoning Game: Puzzle interactive competition, logical reasoning game, fun board game astronaut moving chess pieces, indoor childrens exclusive game. 260 Levels: From simple to difficult, moving differently, shape blocks learn step decomposition and reverse thinking, read the instructions for details. 3Practical Ability: Spatial thinking / practical ability / brain development / parent-child interaction / physical perception. 4Safe and Non-toxic Material: Brand new 100%, safe and non-toxic material, suitable for children. 5Play with Children: The game mode can promote childrens observation and memory, and make them interested in games. You can play with children, improve your interaction and communication and improve intimacy. Specifications: Name: Parent-child Logical Reasoning Puzzle Game Main material: original plastic Suitable age: 4+ Material: plastic Weight: about 400g Size: about 26*18.5*7cm/10.24*7.28*2.76 inch Ability training: emotion, vision, intellectual development, crawling, hands-on brain, grasping, sensory, hand-eye coordination and other ability training. Packing List: Astronaut Chess Board*1