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What do springs do?
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'What do Springs do?' explores the simple mechanism of springs and looks at the wide range of tools and toys that make use of them. Large clear photographs show the springs in practice and careful artwork aids understanding.
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- ● children's books
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'What do Springs do?' explores the simple mechanism of springs and looks at the wide range of tools and toys that make use of them. Large clear photographs show the springs in practice and careful artwork aids understanding.
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"'What do Springs do?' explores the simple mechanism of springs and looks at the wide range of tools and toys that make use of them. Large clear photographs show the …"
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