The rare E-R Models New Haven FA-1 Set includes two pre-built diesel locomotives in a green and yellow color scheme, designed in a 1:87 scale. These vintage locomotives feature a Bo-Bo wheel configuration and are crafted from plastic material. Operating on an analog control system with a two-rail system, they are part of a limited edition painted in New Haven RR corporate roadname livery. Measuring 11 inches in length each, 2 inches in height, and 1.4 inches in width, this set is ideal for collectors and model railroad enthusiasts aged 12-16 years. These engines are new, old stock. They are in excellent condition, both in appearance and in running.