Stay away from anything that isn't clearly labeled with the name of the item, the manufacturer's name and instructions for proper use. Even these products should be used with caution and always with adult supervision. Firework rockets work in a similar fashion to military rockets. A fuse ignites a combustible substance, which forms gases that jet out propelling the rocket upwards. Once the rocket is high in the sky, a second combustible substance explodes.
Many different substances go into making fireworks.
Titanium and iron help produce sparks and sulfur helps to fuel fireworks. Send a free electronic card for any occasion.