Springs
頁數(shù):24
Lexile:360L
ISBN:9781406238020
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在小花生App為孩子
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圖書介紹
Each book in this series focuses on a type of simple mechanism and examines how it is used to make different toys work. This book examines springs and uses simple language and labelled photographs to explain the scientific principles behind their use.
Each book in this series focuses on a type of simple mechanism and examines how it is used to make different toys work. This book examines springs and uses simple language and labelled photographs to explain the scientific principles behind their use.
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