Offering innovation, variety, ease-of-use, and a fantastic prototypical look, the FasTrack track system brings your Lionel layout to life like never before. Its flawless performance and endless flexibility make it appealing to first-timers and seasoned pros alike. Features include:Add interest to your train layout with this FasTrack crossoverIncludes removable 1-3/8" extensionsOffers greater flexibility in designing your layoutEasy, snap-together locking mechanism for sure connectionsLength: 17" x 17" Offering innovation, variety, ease-of-use, and a fantastic prototypical look, the FasTrack track system brings your Lionel layout to life like never before. Its flawless performance and endless flexibility make it appealing to first-timers and seasoned pros alike.