Video: Aside from sparklers, the most least piece of fireworks kids have access to are black snakes, those tiny pucks that grow into long ashen serpents as they burn. As far as pyrotechnics go, black snakes incredibly lame, except when YouTube’s NightHawkInLight super-sizes them. Once the mix powdered sugar and baking soda ignites, it becomes a miniature active volcano that appears out of nowhere.