Mechanical 3D Wooden Steam Engine Puzzle

This 1:28 scale 469 piece steam engine model is a meticulously crafted replicaof a 18th century icon in mechanical 3D wooden puzzle form. Connected with mortise and tenon joints that allow for a precise fit, firelight, smoke effects and a self-righting design feature. Powered by a large- torque miniature motor, this highly detailed facsimile of the earliest steam enginesinvented, providing a creative and thought-provoking challenge for any 14+ enthusiast. Size 14 x 4.7 x 5.7” (36 x 12 x 14.6cms). Requires 2 x AAA batteries (not included)