cupcake liners under mason jar lids! Great idea for an outdoor party to keep the bugs out of your drink. Good idea but make sure you use a small mouth jar. The wide mouth mason jars were too wide for the cupcake liners.
A water balloon with a glow stick on the inside, in a stocking, hung from trees, patio cover, or the ceiling. Same pin elsewhere said: "Put a glow ball in a white stocking and hang many from trees or the ceiling." But what are glow balls?