Team challenge includes an all new race mode: pursuit! Using the double starting tile, watch as up to 12 cars race in two packs, creating some intense action If one group catches up to the other! With that many cars on the track, This expansion also contains all new 4-lane tiles which you can use to replace straights and soft corners, turning any existing track into a 12 car track! Mix these with all the other tiles in your collection to create some truly exciting races!