This Sudoku Puzzle Book teaches your kids logical thinking, develops their concentration and have a lot of fun at the same time. This book contains 240 classic 9x9 Sudoku puzzles, each with one unique solution in the back of the book. Designed especially for 8 to 12 years old kids. And it is a great gift idea for holidays or free time.Features: - 240 Sudoku puzzles for kids-Answers for every sudoku included in back of the book-book size: 8.5 X 11 in-Glossy soft coverGet your sudoku book today and offer your kids the chance to develop amazing logical thinking and improve their memory skills in a fun and entertaining way!