Every few months check and refresh your paint supplies.  Whichever paints you use acrylics, enamels, or other solvent-based paint it is a good practice to check up on your paints and to give them a good shaking.  Check your bottled paints, do they need to be refreshed with a dab of water or mineral spirits?  What about your marker\paint pens?  Then you might also want to do a spot check on your glues, putty, clay, stains, and pigments, to make sure they are in usable condition.

Scratch building is defined in Wikipedia as “The process of building a scale model "from scratch", ie. from raw materials, rather than building it from [ ... ]

 This is Micro trains Line SD40-2 Santa Fe model which I customized with working ditch lights.

Micro-Trains Line Logging Camp Cars #3 Build

I built the Micro-Trains Line Dormitory Camp Cars Kit #2, now I am going to document the build [ ... ]