分数学习认知分数盘演示器磁性书本加减运算教具 磁性分数拼图 分数圆圈套装
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分数学习认知分数盘演示器磁性书本加减运算教具 磁性分数拼图 分数圆圈套装
| 颜色(Color) | multi |
| 尺寸(Size) | 18x22x1.6cm |
| (Size(US)) | 7.09x8.66x0.63inch |
| 材质(Material) | Paper |
| 制造国家/地区(Country/Region of Manufacture) | China |
| 年龄层(Age Level) | 4-7 |
| 建议年龄范围(Recommended Age Range) | 4-7 |