The MTH PE-713 Proto-Sound Accessories Steam Proto-Coupler Kit (2) is a high-quality product designed for model railroads and trains. With its compatibility specifically with the MTH PE-713 Proto-Sound model, this kit is ideal for hobbyists aged 17 years and up. As an accessory, this kit provides additional features and functionality to enhance the overall experience of the model railroad. Made by the trusted brand MTH, this kit ensures quality and reliability for a seamless integration into the model railroads and trains system.