Help when my dad passed we found a few mode engines in his things buried in the shop. My boys are very interested in getting them finished but I would Benefit from talking to someone about them. They all roll over with air pressure and mostly seem to be cosmetic things like cleaning and oiling. But a few other ones need to be finished and wondering if there is anyone that builds there own that I could chat with before I mess something up. I have 3 1 is a stationary unit with boiler setup, one is traction engine and one looks like it was made from a old oil can or something.