The LEGO Super Mario: Bowser's Castle Boss Battle Expansion Set (71369) is a 1010-piece set released in 2020, featuring the iconic character Bowser from the Super Mario franchise. This set allows builders aged 8 and up to recreate an epic battle with the castle boss, providing hours of imaginative play. Made in Mexico, this LEGO set includes pieces to construct Bowser's Castle and the thrilling Boss Battle, making it a must-have for any LEGO and Super Mario fan.