Tabbed and slotted construction, laser-scribed and cut plywood exterior walls, laser-cut wood and Styrene underframe with cast resin platform steps, a beautifully engineered cupola, and AMB cast white metal queenposts/needlebeams, smokejack, and marker lights make this kit a snap to build and a spectacular finished product. (Couplers, trucks, end ladders, and decals not included. Paint and glue required for assembly.)