N53042 Easy TRACK Basic Helix R420/483mm Single/Double TrackA layout becomes truly captivating when it offers more than a simple loop when it creates routes, levels, and transitions that make trains feel like theyre really travelling. Thats exactly what the NOCH easy TRACK Helix, Basic Helix is designed for. With track radii of 420 483 mm and the choice of single track or double track operation, it provides a strong foundation for adding extra levels to your model railway and giving your track plan noticeable