In this chapter, “fireworks” includes any combustible or explosive composition or any substance producing a visible or an audible effect by combustion, explosion, deflagration or detonation, and includes blank cartridges, toy pistols, toy cannons, toy canes or toy guns in which explosives are used, Roman Candles, Daygo Bombs, or other fireworks of like construction which contain any explosives or flammable compound, or any tablets or other device containing any explosive substance, except that the term “fireworks” shall not include sparklers, auto flares, paper caps containing not in excess of an average of 25 hundredths of a grain of explosive content per cap manufactured in accordance with the Interstate Commerce Commission regulations for packing and shipping, as provided therein, and toy pistols, toy canes, toy guns or other devices for use of such caps, the same any use of which shall be permitted at all times. (Prior code § 13.06.020)