The Little Book of Big Mind Benders: Over 450 Word Puzzles, Number Stumpers, Riddles, Brainteasers, and Visual Conundrums

$9.95 (as of February 14, 2019, 11:42 am) $6.99

4 x 6 inch book of brain-strengthening puzzles
Encourages logic, critical thinking, math skills
Salted peanuts for advanced thinkers, boot camp for beginners

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