So we are in a small in home daycare (8 kids total from 6 months - 5 years old.) We are having a 4th birthday party for my daughter in October. Is it totally rude to only invite the 3 families that have kids close to her age? It would leave out 2 families that have kids under 2. I don't' want to allinate them, but it is a swimming party? Do I suck it up and add another 6 people to the guest list, or do you think they would understand being "leftout?"