This book is specifically designed to be used and solved by children ages 7 to 16, but even younger kids can give at least some puzzles a try.
The puzzles presented herein will develop various skills in your child: from increasing their vocabulary and better their spelling, to counting, improving arithmetic skills, developing patience, thinking outside of the box and more
The best thing is that the children will play but at the same time they will learn It is not a waste of time, it is a great way to keep a child entertained for hours while they actually learn something new and useful.
The puzzles included in this book are: word searches, number searches, hidoku, calcudoku, sudoku including some variants of sudoku, such as: odd-even, diagonal, greater-less, consecutive and jigsaw.
It's a must have book not only for children, but also for their elders