A sparkler, though commonly mistaken for a type of hand-held firework, actually makes up its own category of pyrotechnics that burn slowly while emitting colored flames, sparks, and other effects. Fireworks, by definition, must launch from the ground, thus excluding the sparkler from that category. In the United Kingdom, a sparkler's often used by children at bonfire and fireworks displays on Guy Fawkes Night, the fifth of November. Design The "classic" type of sparkler consists of a thin met… (More on Sparklers)