or an upper shelf of a book shelf, pointing the light down toward the room. once the lights are hung, then the fun begins…creating glow in the dark decorations for your party! use glow in the dark spider webs glow in the dark spider web stretch glow-in-the-dark stretchy spider webs across the room so that they light up (and have the added advantage of hiding the light fixture if you have hung it from the ceiling). i always thought that the green or white spider web would work best but i have actually found that the purple glows the best under black light. just be sure to buy the kind 