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 figurine (not included). It includes an entrance in the shape of Bowser's jaw, a crane to rescue the purple toad from the trap and topple Bowser, flippers to defeat the bony piranha plant and the bony Goomba, a Magmaargh attack function, a gym, a secret entrance, a secret strategy room, a key block and a treasure chest block. Note: Starter course 71360, 71387 or 71403 is required for interactive play. A great gift idea for children aged 8 and over, this toy set includes 5 LEGO Super Mario characters. Download the LEGO Super Mario app for building instructions, inspiration tips and more. LEGO Super Mario starter sets and expansion sets let fans expand, rebuild and create unique levels for hours of playtime collecting. The LEGO Super Mario app offers instructions, inspiration and more. LEGO Super Mario collectible sets offer unlimited play possibilities. Not suitable for children under 3.