1. Cultivate mathematical thinking and lay a foundation for mathematics 2. Enrich color cognition and shape cognition 3. ABS material, smooth without barbs 4. With storage box, easy to carry 5. Dimensions: -6 layers: 200 x 90 x 106mm -8 layers: 230 x 90 x 126mm -10 layers: 244 x 90 x 146mm
1. 培养数学思维，奠定数学基础 2. 丰富色彩认知和形状认识 3. ABS材质，光滑无倒刺 4. 带收纳盒，携带方便 5. 尺寸： -6层：200 x 90 x 106mm -8层：230 x 90 x 126mm -10层：244 x 90 x 146mm
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