BluTrack Classic is the origional BluTrack design. It is simple and flexible for your toy track fun!
BluTrack PS Series:
BluTrack PS series is thicker than Classic and features a channel for inserts to make the track more customizable.
BluTrack Outdoors has the same concept as the Classic but with a thicker design to get over those bumps.
BluTrack EP Series:
BluTrack EP Series has a channel for inserts to customize your track even further. EP Series is typically for education and fun learning.