This is an AFX 21045 HO Scale Track Pack. It Features: Top Quality AFX track ? Best track ever made for HO scale ? copied but never equaled! 26 feet of track ? Turns our smallest set (Infinity: 8.5 running feet) into one of our largest (34.5 running feet), Includes 6 of our 15? big radius curves ? More fun to drive and only available from AFX! Extra Bridge Supports ? Turn a single level layout into a two level for more action in less space! Compatible with AFX Pit Stop Holographic Theater ? Like all branded AFX track.