Will Shortz Presents Brain-Training KenKen : KenKen is known around the world as a fun and wildly addictive game but did you know that it was originally created as a teaching tool to hone math, logic, and reasoning skills? So grab a pencil and enjoy this fun way to strengthen your mind! Features 100 easy to hard KenKen puzzles edited by legendary New York Times puzzlemaster Will Shortz. Big grids with lots of space for easy solving.
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