State Department of Justice advisory information regarding legal verses illegal fireworks
167.10 Regulation of fireworks. (1) DEFINITION. In this section, “fireworks” means anything manufactured, processed or packaged for exploding, emitting sparks or combustion which does not have another common use, but does not include any of the following:
(a) Fuel or a lubricant.
(b) A firearm cartridge or shotgun shell.
(c) A flare used or possessed or sold for use as a signal in an emergency or in the operation of a railway, aircraft, watercraft or motor vehicle.
(d) A match, cigarette lighter, stove, furnace, candle, lantern or space heater.
(e) A cap containing not more than one−quarter grain of explosive mixture, if the cap is used or possessed or sold for use in a device which prevents direct bodily contact with a cap when it is in place for explosion.
(f) A toy snake which contains no mercury.
(g) A model rocket engine.
(h) Tobacco and a tobacco product.
(i) A sparkler on a wire or wood stick not exceeding 36 inches in length that is designed to produce audible or visible effects or to produce audible and visible effects.and which contains less than one−quarter grain of explosive mixture.
(k) A fuseless device that is designed to produce audible or visible effects or audible and visible effects, and that contains less than one−quarter grain of explosive mixture.
(L) A device that is designed primarily to burn pyrotechnic smoke−producing mixtures, at a controlled rate, and that produces audible or visible effects, or audible and visible effects.
(m) A cylindrical fountain that consists of one or more tubes and that is classified by the federal department of transportation as a Division 1.4 explosive, as defined in 49 CFR 173.50.
(n) A cone fountain that is classified by the federal department of transportation as a Division 1.4 explosive, as defined in 49 CFR
(p) A novelty device that spins or moves on the ground.