Bank Holiday Monday, Heritage Railway... we ignored the bigger ones (Watercress, Didcot) and took our not-so-little-anymore train fan (yes, that's him) to Cholsey and Wallingford. This is my favourite sketch of the day.
I also drew the engines (it's kind of expected, if you're going to draw anything at a heritage railway - although my activity appeared to be quite novel to the volunteers I spoke to). This is Northern Gas Board No. 1: