Drawing inspiration from the ancient Mayan ruins of Mexico, this captivating wooden pyramid puzzle twists and turns, revealing mysterious symbols to decode. Use the legend on the bottom to decipher the symbols, then align the layers so each face totals 91 (31 down each center column and 30 along each side). A highly challenging mathematical brainteaser, it rivals the complexity of our best-selling Grecian Computer puzzle. A popular gift for men, teens, and young adults. Makes a beautiful display piece for a bookshelf or desk.