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Soduku key fob

Soduku or "Sji wa dokushin ni kagiru", as the Japanese call it, is a logic puzzle and resembles the magic square. This logic puzzle tests your power of reasoning – you don't have to be good at maths!

Every day on crowded tubes and in homes, thousands of people are trying hard to correctly fit the numbers from one into nine into the grid.  

For all sudoku lovers who don't want to wait for the next giant sudoku that occasionally appears in the weekend paper, the KMS Pocket -Sudoku is a must.
Puzzle lovers can generate new, different number combinations time after time and the Pocket-Sudoku is easy to carry around on a key ring.