We asked experts how they make fireworks that explode into shapes Known as pattern shells, shape-inspired fireworks have been around since the 1990s ...

This video shows the basic concepts that are used to create professional firework shells. If you would like to learn how to purchase or build professional fireworks safely and legally, I suggest ...

Each one will burn a few seconds - one streak in the firework. Pete's specialty is multi-break shells, an Italian twist on the fireworks Marco Polo brought back from China.