The Lego 910049 Adventure in Transylvania Bricklink Designer Program is a new sealed box containing 4056 pieces suitable for ages 18 and up. This LEGO set, part of the Bricklink Series 5, allows builders to create their own Transylvanian adventure with intricate details and design elements. Sealed in a box, this set offers a unique building experience for fans of LEGO and Bricklink, allowing for endless possibilities and creative expression.