For Kids Who Love Numbers! 200+ Puzzles: Sudoku, Number Patterns, Diamond Math, Secret Trails, Across Downs for Screen-free Fun Keep 8-12-year-olds amused in the car, on a flight or at a restaurant. Across Downs Addition Boxes Diamond Math Magic Stars Number Patterns Secret Trails Sudoku Book details 96 pages White premium paper 6 x 9 inches Handy backpack size The Math Puzzle book makes a great birthday gift or Christmas stocking stuffer for keen boys and girls. Helps improve number work - addition, subtraction and multiplication - as well as logic and problem-solving. Gives children confidence helping them with schoolwork.
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