If you are looking for some art work for children, then you should definitely check out Little Carousel Gallery. All pieces are hand made by British art school graduates and are personally chosen by LCG for their potential, making them great investment pieces.
I particularly love the work by Hwa Seon Yang and Alice Stallard and think that they would make such special Christening or newborn presents. I love the idea of buying a piece that would look just as lovely hung on the wall when the child is grown up – something they can treasure forever. See below for my favourites: