The product is a KATO Milwaukee Road E-8/9 Loco Set in N Gauge. It is a vintage replica of locomotives #31C & 35A in yellow color, featuring light function and painted details. The model is ready to go with an analog control system, made of plastic material, and operates on a two-rail system. With a scale of 1:160, this diesel locomotive is 6 inches long, 1 inch tall, and 0.8 inches wide, making it suitable for ages 8-11 years and enthusiasts of transportation-themed model railroads. Made in Japan by KATO, this set is a collector's item for model railroad enthusiasts. These locomotives are new, old stock. Please review pictures for your own evaluation.