磁性分数学习盘演示器磁力磁吸分数盘三年级数学教具分子分母加减 分数学习套装
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磁性分数学习盘演示器磁力磁吸分数盘三年级数学教具分子分母加减 分数学习套装
| 颜色(Color) | multi |
| 材质(Material) | Paper |
| 尺寸(Size) | 21.5x2.5x18cm |
| (Size(US)) | 8.46x0.98x7.09inch |
| 年龄层(Age Level) | 4-7 |
| 制造国家/地区(Country/Region of Manufacture) | China |
| 建议年龄范围(Recommended Age Range) | 4-7 |