This is an HO Scale 18 Radius E-Z Track System Rerailer with Wire by Bachmann. FEATURES: Rerails cars in tunnels or other inaccessible places. Black plastic with steel alum rails. Operates on floors, tables, and carpets. No screws, nails, or special tools needed for assembly. Snaps together and stays together. Quick, easy assemblyIncludes red connecting wire. Carded packaging. YOU WILL RECEIVE: One HO Scale 18 Radius E-Z Track Rerailer with Wire. REQUIREMENTS: HO Scale Train Equipment. Adult Supervision. SPECIFICATIONS: Scale: HO (1:87) length: 9-3/8 (238mm) width: 1-3/4 (45mm) height: 1/2 (13mm)sdw 1/25/01ir/jl Bachmann’s exclusive E-Z Track system makes set-up quick, easy and fun. Steel Alloy rail. Black roadbed. E-Z Track System – Snaps Together, Stays Together on Floors, Tables and Carpets.