I'm glad to see that she has an interest in these things most of today's young generation don't have any interest in them.
It's mostly to humour me I think which is very kind of her.
I've done a couple of videos with my grandchildren. My oldest grandson borrows a steam engine now and again and runs the heck out of it and then returns it and borrows another lile a library

Though he turns 16 soon and gets his licence and girls will be taking centre stage