A three dimensional board with grooves for train tracks. The board has an inner and an outer track with spur tracks on the corners for passing other trains. A black die and a white die are rolled and the players moves his trains (marbles) on the outer track and the Black Ball Express on the inner track. When the Black Ball Express lands on a train, that train is sent back to start. The player whose four locomotives (marbles) arrive at their home station first, wins the game. - BoardGameGeek