A firework is classifie as a high explosive pyrotechnic device used primarily for aesthetic and entertainment purposes. The most common use of a firework is as part of a fireworks display. A fireworks event (also called a fireworks show or pyrotechnics) is a display of the effects produced by firework devices on various occasions. Fireworks competitions are also regularly held at a number of places. The biggest fireworks event in the world is held in Madeira, Portugal at the New Years' Eve celebrations, as referred in the Guinness World Records.