Place your order by December 15, 10:00 am ET (New York) for delivery by December 24.  All items will ship from the Museum within one week of order placement.  Curbside pick up by appointment is now available seven days a week!  Please email [email protected] to schedule.  

Mental Gymnastics

Article number: 987095
Availability: In stock (11)
Product Description Product Details Ready for a challenge? These puzzles offer a workout for your mathematical thinking processes along with your aptitude for logic and insight and your grasp of geometrical and analytical concepts. They'll test your perseverance, too! Suitable for dedicated puzzlists ages 12 and older, these 123 brainteasers vary in difficulty, ranging from playful puzzles involving games to tough questions of probability. Complete solutions appear at the end.
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