This Alaska railroad sw-1 diesel switcher engine is highly detailed plastic molded body with letters and logos, ornamental bell and horn metal frame handrails working headlight illuminated run lights pullmor motor transformer controlled forward neutral revrse die cast metal trucks metal axles, and operating knuckle couplers post war engine.  This switcher has had little time played with and spent most of it's life in a box.  Highly desirable and in demand lionel toys are always the best.