The Addon Pack 2 contains some great additional stacks to make your websites looking great. This include the beautiful Clearing Gallery and some nice website layout and navigation stacks to really very the look and feel of your sites. Before you purchase this pack, you will need to already own the Starter Pack. If you are new to Foundation, there is a discounted bundle. Make sure that you head over to the Foudation for RapidWeaver website for more information.