This Sudoku is a puzzle that we have known for a long time. It's a puzzle game that is easy to play does not require difficult or complex mathematical knowledge. Just know basic numbers you are already to have fun with Sudoku. Sudoku is suitable for young children to older children, can play everywhere, just have this book and a pencil. Sudoku is a game that is played and you will have fun while also improving memory skills, logical thinking and develops concentration. This Sudoku For 6 Year Olds is worthy for money and a good gift for children who like puzzles for all occasions: Christmas, New Year, Birthdays and more! Also is great gift idea under 8 dollars.