Build onto your City Express Train Set (#931-46 to 931-50, sold separately) or passenger consist with these heavyweight passenger cars. The cars are outfitted with metal RP25 wheels and separate handrails. Other features include knuckle couplers, authentic trucks, add-on grab irons, detailed interiors, working diaphragmns and full underbody details. Select from three different cars: Railway Post Office, Combine and Coach.