The resin parts are solid, with the exception of the nicely hollowed out main engine nozzle. The parts are molded with crisp details, finely engraved panel lines and a smooth surface finish. There are no visible air holes on my parts. All parts are still attached to their pour plugs. You'll need to provide a couple of bits of rod or wire for the turbine exhaust braces. The instructions include a short program history, an exploded assembly drawing and a four view painting and decaling guide.