The composition is very impressive - framed on either side by the adults as it is, and that subtle finger on the reset button is like the prize in a Cracker Jack box.
I think they prefer to be called children, but who's to know whats politically correct these days...I still call em' lil' tykes, but I suppose they wont mind and all, being 6 or whatever. I like your low POV on this picture and how it makes it more intimate.