Unbox And Play: Everything You Need To Roll Into Action Is Inside The Battle Brawlers Starter Set. Take Your Three Included Bakugan Into Battle And Power Them Up With Your Bakucores And 40-card Deck (customized To Work Best With The Included Bakugan) Roll To Transform: Roll Your Bakugan For Pop Open Baku-action. Roll Your Bakugan Ultra And It Will Leap Open, Picking Up Its Bakucore And Revealing Its Power. How Do You Roll? Collect, Trade, Battle: Begin Your Bakugan Collection With The Transforming Bakugan, Character Cards, Bakucores And Ability Cards Included In This Pack.