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?
These are great in any dark space- closet corners, under pantry shelves. use command tape to get a super strong adhesion that I can remove if i need to without harm to the paint. Superbrite Touch Light, Tap Light, Stick-on LED Light