In a multi-break firework, stars are contained in separate cardboard compartments within the shell. Each compartment has its own bursting charge, which ignites and throws out the stars.

You see, to make fireworks, you need four basic components: Fuel, usually gunpowder, a compound that produces color, a fuse, and glue to hold it all together. You mix this stuff up into what's ...

Approximately “18% of selected and tested fireworks products were found to contain noncompliant components, including fuse violations, the presence of prohibited chemicals and pyrotechnic ...