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?
Glowing Eyes in the Bushes for Halloween Gather some toilet paper rolls. Cut out some eyes in the the paper rolls. Use glow sticks inside the rolls to make them light up at night. Hide them in your bushes.