Toys with Springs

Wendy Sadler

Focuses on types of toys and shows the scientific principles and mechanisms that make them work. This work features photographs with arrows and labels to indicate directions of forces; and includes a glossary, further reading, and appropriate weblinks.
  • Limba : Engleza
  • Data Publicarii : 25 Apr 2006
  • Format : Paperback
  • Numar pagini : 32
  • ISBN : 9780431049755
Rating:
46.99 Lei
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