9"" Straight Electronic Auto-Reversing Track, You can expand your point-to-point rail system with Electronic Auto-Reversing Nickel Silver E-Z Track, Available in 9-inch straight sections or 18-inch radius curved sections, this electronically equipped track is specifically designed for the open-end track configuration of our HO and On30 scale Trolley and Street Car sets, allowing you to go virtually anywhere in your village layout, SKU: SPWS1253