<Li> Missouri permits all types of consumer fireworks to be sold to residents with two selling seasons; June 20--July 10 and December 20--January 2 . </Li> <Li> South Carolina permits all types of consumer fireworks except small rockets less than ⁄ inch in diameter and 3 inches long to be sold and used by residents year - round . </Li> <Ul> <Li> Two states (Hawaii and Nevada) allow each county to establish its own regulations . For example, Clark County, Nevada, where Las Vegas is located, allows residents to purchase and use only non-explosive and non-aerial consumer fireworks during Independence Day, while other counties permit all types of consumer fireworks . </Li> </Ul> <Li> Two states (Hawaii and Nevada) allow each county to establish its own regulations . For example, Clark County, Nevada, where Las Vegas is located, allows residents to purchase and use only non-explosive and non-aerial consumer fireworks during Independence Day, while other counties permit all types of consumer fireworks . </Li>

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