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Kids Discover: Simple Machines

  • SKU:  KDSM
  • Grade Level: 3-5
  • $7.00
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Published by Kids Discover Magazine
Learn how wedges, wheels, pulleys and levers operate. Kids encounter the first simple machine: the wedge, which turned up as chisels, axes and arrowheads some 2.6 million years ago. Then it's on to levers, which are found in everything from scissors to baseball bats, and the wheel, without which we would not have cars.

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