What's inside a Poké Ball? The answer is Pokémon...cards, of course! If you're looking to build your collection with the Pokémon TCG: Pokémon GO expansion, you can do it in style with a Pokémon TCG: Pokémon GO Poké Ball Tin. Each tin contains three Pokémon TCG: Pokémon GO booster packs and two sticker sheets for you to add a little Pokémon flair wherever you want!