Dumas kit Carol Moran, renamed Michael for my first grandson.My first build, learning how to make those brass railings each post being soldered following a paper pattern. Some customizing at the request of my grandson with added port holes, and deck features. He helped to paint it.

Standard wood drills (as in this photograph) work well for cutting neat, point centralised plastic-card port holes, as good as they do for wood or MFD etc. (instead of high-speed steel drills, which can end up a mess).

For clear plastic glazing to match these ports. I use circular punch's which cut neat clear round plastic glazing to fit, also for cutting round plastic-card for circular objects etc. I have found that it works better if punched with a hard hammer tap onto a flat hard-wood backing.

Photo examples and tools. These tools are both available on-line in sets between 3mm and 8mm.