I had to cut about 5mm off the length of the guide on 2 carrera cars i have to go around my scaley track (tightest corner r2). Ideal for an l shaped space, and with equal lane lengths. Pin on HO Slot Car Track Riverside Enzo Circuit A space saving analogue layout that fits on a standard 8' x 4' (2.44m x 1.22m) board. Slot car track sizes . Carrera also offers a range of curves with a wider radii to make circuits with up to eight lanes, as they fit outside the standard curves. The slot car track sets feature standard curves that come in 60º sections, so you only need three pieces to make 180º. Consequently, the digital car slot track permits 4 to 6 cars racing at the same time instead of standard 2 vehicles. Please review my detailed pictures for the specific styles, sizes and specific contents of my listings. Our wireless microphone and video displays provide adequate coverage in most cases but can be linked to multiple displays or larger sound systems on request....