The LEGO Hidden Side Graveyard Mystery Building Set (70420) is a rare and highly sought-after complete set with 335 pieces. Released in 2019, this retired set is designed for ages 7 and up, featuring a spooky theme with ghost characters. The sealed box packaging adds to the appeal of this collectible LEGO set, which is sure to provide hours of building fun for fans of the HIDDEN SIDE theme. With its detailed features and unique design, this LEGO set is a must-have for any LEGO enthusiast looking to add a special piece to their collection.