The Atom bomb firework consists of flash powder coated in green thread. A fuse is fixed to this wrap. Once you ignite the fuse, it burns down to the point where the powder is embedded. This is where entertaining bangs come from. Atom Bomb are highly efficient crackers. They produce loud sound. It consists of 10 pieces in a box. Be very careful while lighting this bomb. Be at the distance of 5 Meters from it. Use long Agarpatti to light it. For outdoor use only.