Magic Optical Illusion, Discover the 3D figures - Paperback

by Alvaro Samuel Cespedes Ramirez (Author)

Exercise your vision while having fun with 52 optical illusions (stereograms). In this book, you'll learn how to view a stereogram and the functional practice of positioning your eyes for best results. Each stereogram explains the health benefits of these fun exercises with a touch of humor.

A perfect gift option that will improve your vision without you even realizing you're exercising your eye muscles.