Hawaii Revised Statutes Division 1. Government § 134-28

(a) It shall be unlawful for any person to knowingly or intentionally possess, construct, set off, ignite, discharge, or otherwise cause to explode any homemade explosive device.

(b) Any person violating this section shall be guilty of a class C felony.

(c) A violation of this section shall be construed as an offense distinct from an offense under section 134-8.

(d) For the purposes of this section, “homemade explosive device” means a non-commercially manufactured device composed of a single ingredient, or mixture of ingredients, capable of instantaneously releasing a sufficient amount of energy to inflict substantial damage to persons or property.