Grecian Computer

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Inspired by the unparalleled genius of ancient Grecian astronomers, this unqiue, handheld brainteaser puzzle replicates what is thought to be the first analogue computer in existence. The extremely difficult challenge is to turn the dials until all 12 columns each add up to 42. There is a diabolcal mechanism secretly moves columns that you thought were already solved as you work on others! This True Genius brainteaser takes patience, persistence and a good mind for numbersthink that modern computers are complicated -- just wait until you try working an ancient one! Perfect gift for math experts and computer geeks. Difficulty 5 of 5.. You