Simple Machines : The Way They Work - Physics Books for Kids | Children's Physics Books

Simple Machines : The Way They Work - Physics Books for Kids | Children's Physics Books

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  • Binding: Paperback (64 pages)
  • Publisher: Baby Professor (May 15, 2017)
  • Author: Baby Professor, NULL
  • ISBN-10: 1541938550
  • ISBN-13: 9781541938557