text:  from children, yes, even sparklers. The age group most likely to get injured and go to the ER was teens 15 to 19 years old, followed by kids age 5 to 9. The commission recommends setting off fireworks one at a time, never try to relight a firework that didn't fully ignite the first time, and keep a bucket of water or a hose nearby in case something goes wrong. Sydney Lepkin, NPR News.