連接十基材料

HK$239.90
單價每

variant.sku

內含稅金。結帳時計算運費。

G1002SC
4 歲及以上

每套121件用於教學二分制、面積和體積。

- 單位=1（1x1x1cm）
- 桿=10 (10x1x1cm)
- 平面=100 (10x10x1cm)
- 立方體=1000 (10c10c10cm)

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