Mini-extension of 4 cards to add to the game.

Rules:
Stockyard: Lets you exchange 1 Sheep with a 1 Cow, or vice versa.
Recycling Center : Lets you spend 1 Barrel to gain 1 Wood and 1 VP.
Supermaket: Lets you spend 1 or more Resource cards (of any level) to gain a single Level III resource card worth less than or equal to the value of the cards you spent.
Hardware Store: Lets you spend 1 Clay and 1 Wall to gain 3 VP.