Nothing in this chapter shall prevent the retail sale and use of explosives or signaling flares used in the course of ordinary business or industry; gold star producing sparklers, which contain no magnesium or chlorate; toy snakes which contain no mercury; smoke novelties and party novelties, which contain less than twenty-five hundredths grain of explosive mixture; shells or cartridges, used as ammunition in firearms; blank cartridges for a show or theater, or for signal or ceremonial purposes in athletics or sports, or for use by military organizations; or the sale of any kind of fireworks, provided the same are to be shipped by the seller directly out of the state.
(KRS 227.730)