IMPORTANT, PLEASE READ THIS SECTION FIRST: 
The instructions below are only intended for users of Version 3.0 or higher.  If you have are using Version 2.0 or lower, please note that the product has moved, and the same app is now available as Thomas & Friends: Engine Activity Fun -- please download the new version here: https://itunes.apple.com/us/app/thomas-friends-engine-activity/id623385416?ls=1&mt=8.  

For Version 3.0 or higher users ONLY:
As you continue to purchase packs, you will unlock cards for your match card collection. To see which cards you already have, go to the match game and tap the Thomas icon in the bottom right corner of the screen. From here, you can view and interact with your cards, or purchase more for your collection!