This 3D Grandfather Clock Puzzle consists of 777 precision-cut wooden pieces that assemble into a detailed miniature replica of a classic grandfather clock. The puzzle measures approximately 12.6 inches in height when completed, featuring working clock hands and pendulum elements for added realism. The interlocking wooden pieces require no glue for assembly and fit together with a snug friction hold. The natural wood grain provides an authentic finish, while the laser-cut components ensure clean edges for precise construction. This puzzle is designed for ages 14 and up, offering an intermediate-level challenge with its mechanical clock design elements. The completed model functions as a decorative display piece with movable parts.