Armchair Puzzlers: Optical Teasers

Armchair Puzzlers: Optical Teasers

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Each optical teaser in this challenging book is a small diagram that, when stared at or moved in a certain way, tricks the eyes. Brief directions show readers how to experience the teaser. Some of these "directions" ask a question intended to make the viewer do something. The answer to the question is determined by viewing the teaser and is also printed in upside-down text at the bottom of the page. The teasers are very easy to perform but are interesting enough to merit repeated viewings. Includes over 80 more

Product details

  • Paperback | 96 pages
  • 127 x 147.3 x 12.7mm | 90.72g
  • University Games
  • United States
  • English
  • 1575289555
  • 9781575289557
  • 1,690,609