He learned an important, smelly lesson.

As a kid, fireworks are pretty fun. They’re fun as an adult, too, but there’s really nothing like the sense of wonder you get as a toddler seeing something light up, shoot off into the air and then explode.

This kid clearly recently discovered firecrackers, and boy, is he having a good time with them. As an experiment, he dropped a lit firecracker down into a storm drain — and soon realized just what happens if you put an explosive into the sewer system.