O Williams 72' Heavyweight Passenger Set, PRR (4) Durable ABS plastic shell Die-cast trucks Needle point axles Die-cast operating couplers Fast angle powdered metal wheels 3 lights (each car) Passenger silhouettes in windows Painted graphics ABS undercarriage detail Numerous wire-form grab rails Operating marker lights on observation Operating spring loaded doors (Coach and Observation) Four-car set includes: one Baggage, two Pullmans, and one Observation car