The Bachmann 44596 HO Nickel Silver Your First Railroad EZ-Track Expansion Pack is a model railroad accessory designed for beginners. This pack includes a set of plastic track pieces in a two-rail system, with a scale of 1:87. The track is designed with a silver color and operates on a DC power type, featuring an analog control system. Perfect for expanding an existing model railroad layout, this expansion pack from Bachmann is a convenient and versatile addition to any HO scale railroad collection.