Product Description: Step into ancient innovation with the Project Genius – Grecian Computer, a puzzle inspired by the Antikythera mechanism — the world’s first analogue computer. Players must align the dials so all 12 columns total 42, blending historical intrigue with advanced problem-solving. Crafted from wood, this 5/5 difficulty puzzle is designed for ages 14+, offering a rewarding challenge for enthusiasts of history, astronomy, and logic games. Key Features: Historical Inspiration: Based on the Antikythera mechanism. Advanced Challenge: Align dials so each column equals 42. Durable Build: Wooden construction for lasting play and display. Age Recommendation: Ages 14+ Product Dimensions: 20 × 20 × 4 cm Difficulty Level: 5/5 Why Choose This Product? The Project Genius – Grecian Computer is a master-level puzzle that fuses history, mathematics, and craftsmanship. Perfect for advanced puzzlers, collectors, and educators.