Fireworks laws in Hawaii

§132D-7 License or permit required. A person shall not: (1) Import, store, or distribute, including at wholesale or retail, any aerial devices, articles pyrotechnic, consumer fireworks, or display fireworks unless the person has a valid license issued pursuant to this chapter; or (2) Possess any aerial devices, articles pyrotechnic, or display fireworks without a valid license to import, store, or distribute aerial devices, articles pyrotechnic, or display fireworks, or a valid display permit issued pursuant to this chapter.

(a) A person commits the offense of sending or receiving fireworks or articles pyrotechnic by air delivery if the person intentionally, knowingly, or recklessly sends or receives any amount of aerial devices, articles pyrotechnic, consumer fireworks, or display fireworks via any form of air delivery, including but not limited to any private courier, commercial carrier, or mail or postal services; provided that a person possessing a current explosives license issued by the federal Bureau of Alcohol, Tobacco, Firearms and Explosives shall not be prosecuted under this section if the person sends or receives the consumer fireworks, aerial devices, display fireworks, or articles pyrotechnic via any form of air delivery in compliance with federal law.

(a) It shall be unlawful for any person to distribute any aerial devices, articles pyrotechnic, consumer fireworks, or display fireworks to minors, except as provided in section 132D-13.

Division 1.4 consists of explosives that present a minor blast hazard. Examples are common fireworks, toy caps, empty primed grenades, and some small arms ammunition.
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341.2 Mailability, Packaging, and Marking
Explosives are generally prohibited from being mailed under 18 U.S.C. § 1716. The following conditions apply for mailing Hazard Class 1 items:
International Mail : All explosives are prohibited.
Domestic Mail via Air Transportation: All explosives are prohibited.
Domestic Mail via Surface Transportation: Generally, explosives are prohibited, with exceptions for Division 1.4S toy propellant devices and safety fuses that have been approved by the director, Product Classification before mailing (refer to 214 for contact information). A shipping paper is required.

UPS Prohibited Items
Examples of items prohibited by UPS include, but are not limited to the following:
Shipments prohibited by law
Bank bills, notes or currency
Common fireworks

We do not accept for delivery:
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Fireworks
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FedEx accepts certain classes and divisions of hazardous materials for transport. Before you ship, please refer to the following list to ensure your packages contain only accepted hazardous materials.
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1.4 1
Explosives
1.4/Explosive 1.4
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1 Except fireworks.

§ 1500.17 Banned hazardous substances.
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(3) Fireworks devices intended to produce audible effects (including but not limited to cherry bombs, M-80 salutes, silver salutes, and other large firecrackers, aerial bombs, and other fireworks designed to produce audible effects, and including kits and components intended to produce such fireworks) if the audible effect is produced by a charge of more than 2 grains of pyrotechnic composition; except that this provision shall not apply to such fireworks devices if all of the following conditions are met:
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(8) Firecrackers designed to produce audible effects, if the audible effect is produced by a charge of more than 50 milligrams (.772 grains) of pyrotechnic composition (not including firecrackers included as components of a rocket), aerial bombs, and devices that may be confused with candy or other foods, such as “dragon eggs,” and “cracker balls” (also known as “ball-type caps”), and including kits and components intended to produce such fireworks except such devices which meet all of the following conditions:
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(9) All fireworks devices, other than firecrackers, including kits and components intended to produce such fireworks, not otherwise banned under the act, that do not comply with the applicable requirements of part 1507 of this chapter, except fireworks devices which meet all the following conditions: