Beyblade Burst Starter Pack Kerbeus K2 Can burst opponents' tops in battle Components are interchangeable with other Beyblade Burst tops Burst rates vary Only use Beyblade Burst tops with a Beyblade Burst Beystadium, sold separately. Subject to availability Includes Beyblade Burst: Energy Layer (1), Forge Disc (1), Performance Tip (1), launcher (1), and instructions App available through 12/31/2018. Beyblade Burst app works with select iPhone, iPad, iPod touch  IOS8.0 or later required -- and Android devices.