磁懸浮筆

SKU: K221
$25.00
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SKU: K221 Category:

尺寸:10*6cm

材質:塑料+磁鐵

描述

實驗目的:

使用磁懸浮筆進行實驗,瞭解磁力的相互作用。

 

提示:

安裝時不要過度用力造成零件損壞,小部件較多,年齡偏小的孩子須在老師的指導下安裝,避免吞服。

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