How Does It Work: Mind-bending questions are answered in this informative book. (Collins Big Cat)

by Cliff Moon (Series Editor), Gill Matthews (Author), Sylvia Karavis (Author), Collins Big Cat (Primary Contributor), Gill Matthews (Author), Cliff Moon (Series Editor)

• New

  Paperback
  2005

  $11.58

  How does a yo-yo climb back up its string? Why does a boomerang come back to you? And how does a kaleidoscope work? These and other mind-bending questions are answered in this explanation text about how toys work.