Expand Your Arsenal with World of Tanks: The Card Game Booster Packs! Get more of your favorite tanks and grow your collection. Each booster pack gives you new cards to strengthen your decks and unlock fresh strategies on the battlefield. 10 additional game cards Wave 2 / Twinfire – part of a 150+ card set featuring 11 different factions: USSR, USA, Sweden, Poland, Japan, Italy, Germany, France, Czechoslovakia, China, and the U.K. Ages: 14+.