The LEGO Scooby-Doo: Mystery Mansion set (75904) is a brand new in box collectible featuring 860 pieces, perfect for children ages 6-12 who enjoy building and creating with LEGO toys. With a theme centered around the popular cartoon series Scooby-Doo, this set includes a spooky mystery mansion for young builders to explore and investigate. The set includes all the necessary pieces to construct the mansion, as well as minifigures and accessories to bring the Scooby-Doo universe to life. Released in 2015, this LEGO set offers endless possibilities for imaginative play and creativity.