Auto World SRS284 Mopar NHRA Pro Racing Dragstrip. Electric HO Scale Slot Car Track. Includes two Mopar Pro Stocks. Includes Two Variable Speed Controllers. Fully Functional Christmas Tree with Foul Light Sensors and Electronic Finish Line with WIN Lights - Requires 6 AA Batteries, NOT included. 13 Feet of Drag Racing Action! Expandable for even longer Drag Racing Action. Compatible with most HO Scale Slot Cars. Track Set Contents: 9 - 15" Track Sections, 1 - 15" Start Gate/Terminal Track, 1 - 9" End Gate, 1 - 3: Dead Track Section, 2 - Track End Caps, 1 - Track Cleaning Pad, 1 - Power Pack, 2 - Variable Speed Controllers, 2 - 4Gear NHRA Pro Stock Slot Cars, 1 - Instruction Sheet, 1 - Track Assembly Guide, and 1 - Start Gate/End Gate Sticker Sheet.