Include extruded aluminum bodies; overhead Streamlighting illumination; fully furnished interior with passenger figures; vestibules with fully sprung opening doors; operating die cast metal couplers with hidden uncoupling mechanism; separate metal truck springs, metal steps, steel grabrails and handrails; vent detail on roof; metal chassis with undercarriage detailing; factory installed diaphragms; die cast 4-wheel trucks; and fast action wheels with needle point axles.