哥白尼的實驗室/科學玩具/diy磁力蹺蹺板/磁鐵玩具 科學營 物理磁學 自然教學教具 幼兒教具
Synopsis
此款可以讓學生自行diy組裝磁力蹺蹺板，並利用磁性相斥原理讓蹺蹺板上下彈跳*尺寸:14*2*5cm *購買網址: https://reurl.cc/yR1bqa.
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