Mayan Calendar Round - Interactive Wooden Replica double 9 Then add the pegs on

Then add the pegs on the bottom row to get the answer

Browse more in the handmade wood puzzles collection

Note this box could be custom laser engraved with a name or message or logo at modest extra cost

Florida workshop is named in the paper's acknowledgements

Calibron 12 was the subject of The Mystery of the Calibron Twelve Block Puzzle

Mayan Calendar Round - Interactive Wooden Replica double 9 Then add the pegs onExplore the Mayan Calendar Round, a rotating wooden replica of the ancient Mayan timekeeping system. This interactive calendar features the Tzolk'in (260 day sacred cycle) and Haab' (365 day solar cycle), allowing you to track time like the Mayans. Key Features: Authentic Design: Historically accurate and interactive. Educational & Decorative: Ideal for history lovers, educators, and collectors. Premium Craftsmanship: Made from MDF wood with a cherry