Child-friendly Sudoku | Easy to Medium Puzzle Special, Paperback by Senor Sudoku, ISBN 1645214702, ISBN-13 9781645214700, Brand New, Free shipping in the US Challenge your child's mental development as passionately as you would his physical strength. Encourage him/her to answer Sudoku puzzles during quite time. Sudoku is a numbers game that does not have shortcut or written clues. Solving the game requires logic and memory. Get a copy and start playing today.
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