More than 135 puzzles, illusions, and activities in this four-color book, with answer key in the back. Features optical illusions, visual puzzles to challenge logic and spatial reasoning, and color-by-number illusions for readers to complete. Convenient spiral binding with colorful, appealing design throughout.

This book is crammed with puzzles designed to stimulate each of your brain's cognitive functions, keeping it strong and fit. Many different types of puzzles are included, and each of the five levels increases the challenge of solving them. Includes three self-evaluations that allow you to assess your improvement in areas such as focus, attention, memory, and more.

A rich assortment of visual mind-bogglers, including "impossible objects" — constructions that look fine on paper but can't possibly exist in reality — as well as pulsating patterns, vanishing spots, pictures that suddenly change into other configurations as you're looking at them, and much more. 60 black-and-white illustrations.

Presents a collection of vivid optical illusions, encompassing a wide range of visual tricks and deceptive eye puzzles, from images that appear to move to perplexing distortions and hidden objects.

"Fantastic Optical Illusions is filled with visual illusions, color tricks, perplexing puzzles, quizzes, and more"--Provided by publisher.

An activity book that acts as a companion to the TV series Brain games.

Put your puzzling prowess to the test with the many types of visual puzzles featured in this book. Challenging your non-verbal reasoning and logical thinking, Dr Gareth Moore presents over 100 visual puzzles that will surprise and delight, boosting your ability to solve problems in different ways and testing your mental agility. Among the puzzles to be found here are: Spot the difference, find the pairs, match the shadows Shape counting (counting rectangles, triangles, etc) Mazes (of various types) Dot-to-dots Colour by number Cube folding puzzles Hanjie Sliding pieces Optical illusions Visual sequences Creative drawing Match flags to countries Place city/state markers in the correct place on the map Jigsaw cut In short, this engrossing book offers dozens of different creative challenges that will boost your brain power and keep you challenged.