The Yardmaster Express base game includes 4 Caboose cards. The Yardmaster Express: Caboose Expansion includes 12 more Caboose cards, with values from 3 to 8, as well as 4 blank ones. At the beginning of the game, players randomly choose one Caboose expansion card. Each such card sets a different extra end game condition. The players that fulfil the condition will be awarded the number of bonus point written on the particular card, at the end of the game.