Two think here. I am pretty sure, you as more than 90% are doing: Insert all decks as fast as possible- Wrong- Then am sure too, that you use the DUMMY guns -another enemy of mine: I inserted the decks after the Hull was planked. All decks even the one that never comes with the KITS- the Lowest deck. It is not that difficult but too much to add here. I did all the Hull first with Galleries, ankers etc, and paint. The hull with spray, but all the reinforcement planks- mainly painted Black outside, so the colour did not mix. Not the lower deck prepared with Full gun carriage -this you will do yourselves. Add the Gun pipes and made sure, they were well Glued and added a little reinforcement (which cannot be seen) and so on to the next deck the main deck. Here too, make to FASTEN your pin rails very -With a nail or screw inserted at the bottom. There is nothing worse than main Pin Rail around the main mast after all your Riggen is done. I Speak of a very BITTER experience here. There is no way to fasten it again, other to from beginning