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The Optical Illusion Pack
     

The Optical Illusion Pack

by Janet Sacks
 

Not only is this incredible kit packed with more than 100 mind-boggling illusions, it also explains the science behind them. Kids will love learning how the brain tricks the eye into seeing what may—or may not—actually be there. Sections explore:
  • Impossible shapes that appear real but are not
  • Static objects that seem to move

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