Paint blocks of wood with glow in the dark paint, then have some fun with black paint for their faces. OR Paint the wood black and the faces with glow in the dark paint so the eyes and mouth "float in air".
Cute Halloween door idea ~ Bat-Filled Front Door These felt bats are easy to make and ensure your house looks extra spooky. All you need to do is trace a bat shape onto a piece of felt and cut it out. Repeat until you have a swarm of them.