When we, the W.A.A.C.ers, put on an open night for say, the Scouts, the initial excitement is unbelievable. Something new for them to experience. The parents also share in this feeling, mostly. As mentioned lots of times, the WOW factor, when the moon is first viewed, and the craters, rills etc are seen, is really something to see on the children's/adults faces. Show them Saturn, and they can't believe it. I think if the family have the time/money? etc ,and IF the child concerned shows an ongoing interest, 2 or 3 mths.later, then it's up to the parents to see that the hobby is pursued further. This is one reason that WE suggest, as a start, to buy a planisphere and binoculars. No great cash outlay and the bino's can always be used.
Oh BTW, I always use an old MA E/Pc at open nights. As you know, kids have a habit of wanting to put their fingers on/in everything.
Regards, L.