Feature:1. Spatial Logic Thinking: Five progressive question cards, spatial logic thinking to explore the laws of graphics, matching games fun board games, 60 exercises.2. Color Cognition: Front and back of the matte film lasting and durable, water based paint process full of color, to stimulate children's cognition of color.3. Fine Sanding: Matching building cubes fine sanding, glossy surfaces, will not scratch the child's hands, use at ease.4. Simple Operation: According to the answer card pattern using block particles to answer questions, simple operation, to stimulate children's interest.5. Solidly Wood: Puzzle building cubes made of solidly wood, safe and environmentally friendly, wear resistant and durable, can be used for a long time.Specification:Item Type: Wooden Games Puzzle MatchsMaterial: WoodApplicable Age: 3 Years Old and AboveSize: Approx. 2.5 x 5 x 2.4cm / 1.0 x 2.0 x 0.95in.Package List:20 x Building Blocks60 x Cards1 x User Manual