OPTICAL ILLUSIONS AND PUZZLES BOOK 350 PUZZLES
Part No: S41502
Stock No: 5091-AE1
SKU No: 247375
Image is for illustrative purposes only. Please refer to product description.
Stock may not be available at all store locations. Inventory quantites can change without notice.
Featuring over 350 optical illusions, trick images, and puzzles, this fun book will challenge your mind and entertain you for hours! The perfect activity book for grown-ups, this engaging book of puzzles makes a great gift.
Look at the image above, it's not animated. Don't believe me? Try staring at just one
part of the image and you'll see it will stop moving.
This is an example
of a "peripheral drift illusion
It is thought that this illusion occurs because of the slight
differences in time it takes to process different luminances (how
intense the light is from a particular area). This slight lag in mental
processing tricks the brain into perceiving movement that isn't really
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