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?
If the 2 white bits on the right are eyes who is the critter with the long face? Do those "eyes" & long "face" remind anyone of a character in a children's book or TV show? Old Olive Tree, Central Cyprus