Description
Project Genius Grecian Computer Mechanical Math Puzzle, Wooden Brainteaser Gift for History Buffs and Smart Kids, Teens, and Adults - True Genius Series Inspired by The Ancient Antikythera Mechanism MECHANICAL MATH PUZZLE: This diabolical math brainteaser requires you to spin each of the layered gears until every column that radiates out from the center point adds up to 42 simultaneously. ULTIMATE CHALLENGE: Rated five out of five stars for difficulty, this wooden puzzle requires visualization and problem-solving skills to complete. Work on it all at once or come back to it over and over again to solve. SMART GIFTS FOR SMART PEOPLE: This laser-cut wood brainteaser is perfect for display on a bookshelf or desk. An ideal gift for Engineers, Computer Scientists, and anyone seeking a tough but fun mental challenge! INSPIRED BY HISTORY: All True Genius brainteasers draw inspiration from ancient civilizations and include the backstory of their design. These quality metal and wood puzzles make great gifts and are perfect for display on a bookshelf or desk. CREATED BY PROJECT GENIUS: A leading U.S. manufacturer of mechanical puzzles and strategy games for over 10 years. We are a woman-owned business, proud to offer a dedicated work program for young adults with autism. PROJECT GENIUS: GRECIAN COMPUTER MECHANICAL MATH PUZZLE - 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. Give the gift of mental stimulation and visual elegance with a mechanical math puzzle. Designed to be an attractive display piece on a bookshelf or desk between intense puzzle-solving sessions. Shipping We offer FREE shipping on all orders! We ship within Three business days of payment, usually sooner. We use a selection of shipping services such as UPS, FedEx, USPS etc. We only ship to the lower 48 states, no APO/FPO addresses or PO Boxes allowed. Local pickups and combined shipping options are not provided at this time. Return You can return a product for up to 30 days from the date you purchased it. Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt. Payment We accept payment by any of the following methods: PayPal Please pay as soon as possible after winning an auction, as that will allow us to post your item to you sooner! Feedback Customer satisfaction is very important to us. If you have any problem with your order, please contact us and we will do our best to make you satisfied. Contact Us If you have any queries, please contact us via ebay. We usually respond within 24 hours on weekdays. Please visit our eBay store to check out other items for sale! Thank you for shopping at our store.