This product is a lot of two N scale Con-Cor passenger cars, one Union Pacific Railroad car and one United States Mail car. Both cars are pre-built and made of plastic. The cars are yellow in color and have a vintage design. The scale of the cars is 1:160 and they are designed for a two-rail system. The product is a unit type and is categorized under Passenger Cars, Railroads & Trains, Model Railroads & Trains, and Toys & Hobbies.Someone has painted trucks silver on one of them.