The main airframe parts are solidly molded with a smooth surface finish, crisply molded details and engraved panel lines. There are no visible airholes in my parts, but there is a slight molding gunge that will need sanding off the main body. The bells are hollowed out. All parts will need to be removed from their pour plugs: care will have to be taken not to break the LOX supply line from its long plug. You will also need to supply wire or thin rod to serve as the support rods for the turbine exhaust. The instruction sheet includes a short program history, a multistep exploded assembly diagram and a four view painting and decaling guide.