Create a fantastic LEGO® brick version of an iconic location in the Super Mario™ universe with the Dry Bowser Castle Battle Expansion Set (71423). Players can explore the castle with their interactive LEGO® Peach™, LEGO® Mario™ or LEGO® Luigi™ figure (not included). It features an opening Bowser-jaw-shaped entrance, a crane to rescue the Purple Toad from the trap and topple Dry Bowser, flippers to defeat the Bone Piranha Plant and Bone Goomba, a Magmaargh attack function, gym, secret entrance, secret strategy room, Key Block and a Treasure Chest Block. Note: the 71360, 71387 or 71403 Starter Course is needed for interactive play.