Three 150ml cans of pure fun glow in the dark silly string is guaranteed to be a big hit at your party use crazy string to add instant fun to more everyday objects play party games create silly art outdoors or spray into darkened corners and from the ceiling to create a spooky glow in the dark cob web effect thats deal for halloween feeling really silly spray glow crazy string around yourself or an instant fancy dress costume glow in the dark mummy anyone or simply spray into the ai