Get smarter with this daily training regimen designed to keep your mind in tip-top shape. Studies have proven that regularly challenging the brain prevents aging-related decline-solving these daily memory, math, logic, and visual puzzles against the clock keeps your brain young.
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Seller: Orion Tech, Kingwood, TX, U.S.A.
Paperback. Condition: New. Seller Inventory # 1435123786-11-30868045