These puzzles sharpen the senses and present a challenge: Over 100 picture puzzles, optical illusions, word puzzles, find-the-error puzzles, and logic puzzles offer clever puzzle enthusiasts aged 8 and up plenty of entertainment. Perfect for long journeys or just at home in between. This is how children's activities should be. Over 100 tricky puzzles: brain games, logic puzzles, picture puzzles, Sudokus, and much more. New brain-teasers for clever kids aged 8 and up, featuring modern, witty illustrations. Features: continuous illustrations.