Changes

{{nihongo|'''Rock Hammer'''|ロックハンマー|Rokku Hanmā}} is a [[Bakugan Battle Gear|Battle Gear]] used by [[Jake Vallory]] in'' [[Bakugan: Gundalian Invaders]]''. It first appeared towards the end of the [[Bakugan Battle Brawlers: New Vestroia|previous season''New Vestroia'']], where a digital clone was used by [[Spectra Phantom]] to test [[Drago (Dan Kuso)|Drago]]'s Battle Gear.