Birthday Music Ice Fountain Sparklers 15cm Indoor Use (PACK OF 1) These Ice Fountain Sparklers are ideal for birthday occasions, they come with a gold effect. You will receive your ice fountains in a sleeve. ** Please note if any sparklers say indoor use, then they will also burn like a normal sparkler, so there is always a risk of fire. They are only classified as indoor because they give off a little less smoke which makes it safe to use indoors.