LEGO Super Mario Bowser’s Castle Boss Battle Expansion Set 71369 Building Kit; Collectible Toy for Kids to Customize Their Super Mario Starter Course (71360) Playset (1,010 Pieces)Style: Frustration Free Packaging Players will love the flipping, shaking and balancing challenges in this Bowsers Castle Boss Battle Expansion Set (71369). A brilliant gift for kids to add to the LEGO Super Mario Starter Course (71360), this castle toy playset features towers with rotating and shaking platforms, flippers to raise Bowser's arms and access the Question Block and Time Block, a shaking bridge, plus Bowser, Boo, Dry Bones and Lava Bubble