A sparkler is a firework that emits sparks when lit and is designed to be held in the hand. A bit of an abnormality for fireworks in that safe handling of the vast majority of fireworks requires that they be observed from a distance due to their potential danger and unpredictability. Some fireworks are so big and dangerous that they can only be handled and set off by certified pyro technicians. A firework is a carefully engineered explosive that was invented in China and is used to deliver visual and audible celebration across the world. In the United States, best known for the celebration of Independence Day (July 4th). An emoji of celebration, entertainment and excitement.