Lego refreshed its Super Mario playset lineup in August with new starter courses for all three characters: Mario, Luigi, and Peach. In a welcome surprise, the retail price for the trio of core sets dropped from $60 to $50. Better yet, Lego added more prominent characters from the Mushroom Kingdom to each one. And now two of the new starter courses are on sale for the first time. Amazon is selling the Adventures with Interactive Lego Mario and Lego Peach starter sets for $40 each. Multiple of the expansion sets that released alongside the starter courses are also on sale, including big discounts on a new Peach's Castle set and Soda Jungle Maker from New Super Mario Bros. U Deluxe.