DIY小天平 Balance

SKU: OT4
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SKU: OT4 Category:

完成品尺寸:25*18*6cm

工作原理:木桿可以圍繞中間的支點轉動,中間的指針可以根據木桿的傾斜而擺動,不放任何東西的時候可以調節兩邊的毛根位置來調節天平兩邊的平衡。

適合1-2年級小學生

學校需自備:針錐,剪刀,marker

只提供散件供學生自行製作,如有需要可提供完成品

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