Photo 1 of LEGO LEGO Super Mario Bowser's Castle Boss Battle Expansion Set 71369 Building Kit; Collectible Toy for Kids to Customize Their Super Mario Starter...

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Photo 1 of LEGO LEGO Super Mario Bowser's Castle Boss Battle Expansion Set 71369 Building Kit; Collectible Toy for Kids to Customize Their Super Mario Starter...Photo 2 of LEGO LEGO Super Mario Bowser's Castle Boss Battle Expansion Set 71369 Building Kit; Collectible Toy for Kids to Customize Their Super Mario Starter...