Spray cheap halloween masks with glow in the dark spray and watch your haunted house light up where ever you put them. Leave them in large groups or use only one or two. Either way it's cheap and CREEEEEEPY
9 Ways to Create Glow in the Dark Halloween Decorations
iquid laundry detergent glows in the dark. You can make things glow in the dark by “painting” them with laundry detergent (like cake plates skulls, or other Halloween accessories). Or use it to write on the walls.