Invitations made out of colored flags saying your invited to see a sparkling good time. It will be a big bang to have you. Have a plastic flag table cloth, some paper plates with flags, napkins with flags, and cups with flags. Also set up red, white, and blue streamers any way you like.   Games have squirt fights or bob for apples.  Food have a flag cake, blue berries, whipped cream, and strawberries, hot dogs, hamburgers(with the works),and plenty of ice cream.