Inside the book, you will find 200 puzzles and their solutions with a medium difficulty level in 6x6 and 9x9 sizes. These Sudoku puzzles for kids are number placement puzzles. They can be solved with reasoning or simply by logic. This puzzle book is a great way to pass the time. A must-have for all number loving children. Book Details: Sudoku rules and instructions 200 puzzles with solutions-6x6 and 9x9 compact size 6x9 inchmatt cover