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Get it between 2024-05-15 to 2024-05-22. Additional 3 business days for provincial shipping.
The auto stereogram, more commonly called stereogram, is an optical illusion that allows, from an image, to see a scene in 3 dimensions. Unlike traditional 3D scenes that use two images in parallel (one for each eye), auto stereograms use only one image. Moreover, no device, such as glasses, is necessary. Patience and concentration will be required to achieve this. Stereograms are often used as orthoptic rehabilitation exercises. This book contains 36 previously unpublished color pictures of animals in stereograms.