Eight pieces Fastrack O-31″ Curves are required to make one complete circle. 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. Discounts are available when ordering in large quantities. Please call us for more details!