(HTG) Brian and (HTG) Rhyse unbox, build and review the LEGO Scooby-Doo Mystery Mansion set #75904. The Lego Scooby Doo Mystery Mansion is an 860 piece set and includes 7 Minifigures (Scooby, Shaggy, Velma, Daphne, Vampire, Black Knight and Ghost), The Mystery Mansion, Motorcycle w/ side cart and Venus Fly Trap. The Mystery Mansion Scooby-Doo […]