I have 5. My oldest ds is 15 (but approx on a 7-8 yo level), ds 12, dd 11, ds 4 and dd 2. I love it! The older ones help out and the younger ones idolize them for it. It's harder to find things to do as a family with the huge gap in ages. They aren't interested in the same movies or games, when we go to a theme park the little ones want to stay in the kiddie area and the older ones want to go on the roller coasters, etc. But they do find things to do together - ride bikes, all but my 2 yo play wii, etc. and entertain each other somewhat. There's always a lot going on which is good and bad, but whether its a band concert, basketball game, preschool performance, etc, they all support one another.
at 2:59 PM on Nov. 28, 2012