Since its invention, HO model train flex-track has opened up endless possibilities for customization and improvisation on model railroad layouts, due to its ability to be easily manipulated, or curved. A number of big-name manufacturers sell flex-track in varying degrees of length, rigidity and weathering, and some are more easy to curve than others. In this lesson, we teach you how to get the exact curve you want with Model Engineering’s Code 70 HO model train flex-track.