If you are finding for a great gift for your children that fun and increase concentration this sudoku is a puzzle game that helps train your child's brain. In addition, Sudoku also needs attention to detail, observing patterns of opportunities and finding the right movement. It's not just fun and enjoyable, but also helping to prepare your child for better success in school and even their future! What you'll get: Total 87 Pages 4x4 Sudoku 144 Puzzles Included: 36 Very Easy Puzzles 36 Easy Puzzles 36 Fair Puzzles 36 Medium Puzzles Pocket Sized 6" x 9" ( A5 size) Soft, sturdy matte cover This 4x4 Sudoku For Kids is great value for money and a good gift for kids who like puzzles for all occasions: Christmas, New Year, Birthdays and more! Also is great gift idea under 10 dollars.