Activity for Daisy

I would like a suggestion on incorporating adult children into my wedding ceremony. I'm not having bridesmaids/groomsmen.

I'm not quite sure of the difference between Save the Date and invitations. Are they both neccessary?

My fiance and I both have been married before and have children from my previous marriages. All together we have eight children. I would like to know a unique way that we can incorporate our children into our marriage ceremony. I don't want to do...