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Challenging Puzzles: Training for Busy Brains (Brain Boosters), Full Color Puzzles Including Sudoku, Logic Problems and Riddles

Challenging Puzzles: Training for Busy Brains (Brain Boosters), Full Color Puzzles Including Sudoku, Logic Problems and Riddles in Bloomington, MN
Current price: $9.95
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Charge up your cognitive power with these challenging conundrums! Featuring more than 200 illustrated, full-color puzzles including sudoku, logic problems, riddles, Latin squares, visual teasers, and math challengesthis collection lets you exercise your mind, whether you've got five minutes or an hour. The fun begins with moderately difficult brainteasers, but solving gets progressively harder as you go along and your skills develop.