Magic Optical illution 3D Book - Softcover

Inhaltsangabe

Exercise your vision while having fun with 35 optical illusions (stereograms). In this book you will learn how to see a stereogram and the functional practice of how to position your eyes to get better results. Each stereogram explains the health benefits of these fun exercises with a little touch of humor. A perfect gift option that will improve your vision without you realizing that you are exercising your eye muscles.

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