A large clump of sparklers that are air tightly wrapped with electrical tape. Once the fuse is
lit, it takes about 50 seconds to detonate. Detonation occurs when all the sparklers in the air
tight tape go off at the same time compressing against the tape and eventually going off. Once exploded a sparkler
bomb of 16 standard sparklers has the equivallant of 1/4 a stick of dynamite.