Bakugan Party Supplies,Favors and Party Decorations. One day, strange cards began to fall from the sky. All over the world, kids picked them up and created a battle game. The best players were Dan, Marucho, Runo, Shun, Julie and Alice. They called the monsters on the cards "Bakugans" and their team the "Bakugan Battle Brawlers". Please note that this theme has been discontinued by the manufacturer and the listed supplies are only available while supplies last - get yours now!