The Booster Pack no. 1 for 'Knitting: the Card Game' is a deck of 70 cards that can be mixed into the base game that gives new actions, new patterns and new yarn cards to choose from. An additional 4 Cast-on cards and 'blocking mat' are included because when the 64 new cards mixed in, gameplay can support up to five players. Card breakdown: 38 Yarn Store Cards 16 Pattern Cards 8 Community Cards 2 cards that become a 'Finished Object' Blocking Mat in purple supports a 5th player 4 New Cast-On Cards in purple supports a 5th player 2 instruction cards with a new rule modification allowing more Community Cards to be played -description from designer