Yes, DS2.25 spends most of his time either reading or role playing. He builds up elaborate fantasy scenarios and can sustain them for weeks. I've mentioned before his having adopted a bat persona for about 3 weeks recently. He was so true to the role that he referred to us as Baby Bat and Mummy Bat even in his sleep.
A large contributor to his imagination, I suspect, is the fact that we read widely and do a lot of funky excursions around town. It doesn't hurt that I am an overgrown 4 year old who loves to play.
He creates the scenario and tells me what to do, and I do it happily.
