This section does not prohibit or apply to the following:
(a) The manufacture, sale, possession, transportation, storage or use in emergency situations of pyrotechnic signaling devices and distress signals for marine, aviation or highway use;
(b) The manufacture, sale, possession, transportation, storage or use of fusees, torpedoes or other signals necessary for the safe operation of railroads;
(c) The manufacture, sale, possession, transportation, storage or use of blank cartridges in connection with theaters or shows, or in connection with athletics as signals for ceremonial purposes;
(d) The manufacture for, the transportation, storage, possession or use by, or the sale to the armed forces of the United States and the militia of this state, as recognized by the Adjutant General of Ohio, of pyrotechnic devices;
(e) The manufacture, sale, possession, transportation, storage or use of toy pistols, toy canes, toy guns or other devices in which paper or plastic caps containing 0.25 grains or less of explosive material are used, provided that they are constructed so that a hand cannot come into contact with a cap when it is in place for explosion, or apply to the manufacture, sale, possession, transportation, storage or use of those caps;
(f) The manufacture, sale, possession, transportation, storage or use of novelties and trick noisemakers, auto burglar alarms or model rockets and model rocket motors designed, sold and used for the purpose of propelling recoverable aero models;
(g) The manufacture, sale, possession, transportation, storage or use of wire sparklers;
(h) The conduct of radio-controlled special effect exhibitions that use an explosive black powder charge of not more than one-quarter pound per charge, and that are not connected in any manner to propellant charges; provided, that the exhibition complies with all of the following:
(1) No explosive aerial display is conducted in the exhibition;
(2) The exhibition is separated from spectators by not less than 200 feet; and
(3) The person conducting the exhibition complies with regulations of the Bureau of Alcohol, Tobacco and Firearms of the United States Department of the Treasury and the United States Department of Transportation with respect to the storage and transport of the explosive black powder used in the exhibition.
(R.C. § 3743.80)