Playgrounds
Sadler, Wendy2005
Books, Manuscripts
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This is one of a series of titles looking at the mechanical and scientific principles behind the way various toys work.
Playgrounds / Wendy Sadler.
Oxford : Heinemann Library, 2005.
32 p. : col. ill. ; 23 cm.
Includes index.Bibliography: p. 31.
04310496539780431049656
688.7'6531688.76
J688.76
English
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