Unleash epic transformations with the new Armored Alliance Bakugan! Face off against your friends with your very own Bakugan and become the ultimate Bakugan Master. Roll your Bakugan across the metal BakuCores (two included) to see it transform with pop open Baku-Action! You can also weaponize your Armored Alliance Bakugan with Baku-Gear (sold separately) for even more battling power! With new and returning characters, Season 2 Bakugan each feature awesome detailing and faction symbols, to help you form your powerful alliances. Plus, with the collectible Bakugan Gate-Trainer Card (included), you can practice your rolling skills to activate your Bakugan as you level up into epic Brawler! Add over 100 Season 2 Bakugan to your collection to build your own team and battle with friends!