X marks the stops! Flip a card, choose a subway line, and cross off the given number of stops on your map. Earn bonuses for making transfers, but lose points for incomplete tracks. Everyone plays at the same time, so there's never a dull moment as you race to complete routes. Get the highest score and become an underground sensation! For 1-6 players. For ages 8 and up. WARNING: CHOKING HAZARD - Small Parts. Not for children under 3yrs.