I started that when I was around 14. I'm 16 now and I still adore fire. It's so fun. Blowing stuff up with bottle rockets is even more fun. Like the Expo brand of dry erase markers, or just plain old pens. Take out everything inside, leave the cap on, insert bottle rocket, light...
*shoof*...
*BANG*
Don't forget to take cover from flying plastic shrapnel.