Grecian Computer

Inspired by an ancient artifact design employed by Grecian astronomers, this wood brain teaser is among the most difficult puzzles Scientifics has ever offered. Just turn all the dials until each of the 12 columns add up to 42. Sounds simple, right? Maybe for Archimedes! This diabolical mechanism is a serious challenge for true geniuses. 

Ages 14+

Difficulty Level: 5 Stars