This is a new and perfect Sudoku Puzzle Book for children.Taking a stab at Sudoku is another working-memory training activity. It's like chess — while you're making a move, you have to think three or four steps ahead to your next move and that's good exercise for the brain.
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Seller: California Books, Miami, FL, U.S.A.
Condition: New. Print on Demand. Seller Inventory # I-9798391201953
Seller: PBShop.store UK, Fairford, GLOS, United Kingdom
PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # L2-9798391201953
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Seller: Ria Christie Collections, Uxbridge, United Kingdom
Condition: New. In. Seller Inventory # ria9798391201953_new
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