OVERALL DIMENSIONS : 16″L x 5.25″ x over 8 H. Keys provided operate the following. Forward and reverse gear. Raising and lowering of dipper. Left and right boom swing. Functional dipper trip rope. Sliding doors and operational windows. Removable hitch engineered to look and function like original. Functional trucks and suspension. Functional winches that use chains and rope to operate the functions of the steam shovel. Removable mast strap and smokestack. Hinged coal door and platform. Detailed interior including nickel plated boiler and piping.