Pyrotechnics are an extremely diverse effect, simply from the sheer amount of product that is available to use.Gerbs, mines, comets, airbursts, saxons and robotics are just a few types of visually different product that can be several different colors and used for extremely different results.Not only are pyrotechnics diverse in appearance, but in size.They can range from a few feet to a couple of hundred feet, depending on the venue.