Add more operating fun to WalthersTrainline and other HO sets (sold separately) in minutes with easy to use Power-Loc(TM) track, now with nickel silver rail for better performance plus brown ties and gray roadbed for added realism! Other features include: Simple and sturdy construction Snaps-together without tools or rail joiners Expand any time with matching track and accessories available separately Solid roadbed base - set up on almost any surface any time Strong when assembled so you can pick it up, hang it on a wall or store it under a bed!