Presenting the Grecian Computer, a truly diabolical brainteaser that demands your full attention! Crafted from quality wood and designed to challenge even the sharpest minds, this puzzle requires you to spin layered gears until each column adds up to 42 simultaneously. Rated five out of five stars for difficulty, it's a test of visualization and problem-solving skills that can be tackled in one go or savored over multiple attempts. The Grecian Computer is an ideal gift for keeping minds sharp, whether for engineers, computer science enthusiasts, or anyone who thrives on tough challenges.

Ages 8 yrs and up