Just in time for Mario Day, Lego has unveiled a new expansion set for its lineup of Super Mario starter sets. This is a 1,321-piece kit themed after Dry Bowser’s Castle, and it’ll be available through Lego for $109.99 with an August 1 release date. Some of the unique elements of this particular expansion set (other than Dry Bowser) include an imprisoned purple Toadstool, a fiery Marmaargh creature, and a Bone Goomba.