The Lifelike Santa Fe 3500 and Tyco Santa Fe 4015 are ready to go with a two-rail system. These HO scale models replicate the Santa Fe Southern Railway and are made of plastic. These trains are perfect for model railroads and transportation enthusiasts. They both have been benched tested and run forward and reverse and light. Both will need maintenance for their age. Both have couplers missing ,the 3500 has a horn missing. PLEASE review photos carefully. The description is provided for your convenience but reflects a superficial inspection of the product. The item is sold as is, no returns. No warranty is given or implied