消失的錢幣(平面鏡反射)

SKU: K018
$23.00
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SKU: K018 Category:

描述

本產品的正方體正面有一個透明窗,透過這扇窗戶,妳可以看到存錢罐的內部,裏面空空的。但是當妳從頂部的縫隙中投入硬幣,不停的投入,可是妳卻始終看不到一丁點兒硬幣的影子!錢哪裏去了?

本產品利用鏡面反射的原理,製造出一個既有趣又充滿科學原理的小道具,讓孩子在玩中學,學中玩。

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