u-shaped student teaching magnet set primary and secondary school physical experiment magnetic power tool children‘s safety magnet

u-shaped student teaching magnet set primary and secondary school physical experiment magnetic power tool children‘s safety magnet

U型学生教学磁铁套装中小学物理实验磁动力工具儿童安全吸铁石

16 box

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产品：2000磁动力实验套装

颜色：4色

包装：纸盒

装箱：一中盒20小盒一箱320小盒

箱规59.5*47.5*39.5

重量32kg

Update time：20260325113746