Marble gun

A marble gun is a type of an improvised caseless firearm that shoots marbles, through gas pressure from the ignition of denatured alcohol.

A marble gun has four major components: a barrel, a chamber, an ignition source, and a stock.

Chambers are usually made from recycled PET or other similar plastic containers, albeit, resistant enough from extreme heat.

Generally speaking, a marble gun is operated similarly to modern bamboo cannons, where the user sprays denatured alcohol first on the chamber, distribute inside by shaking it, and then inserting one or few marbles in the barrel, and produce a spark by using the piezo ignition component.

There are several reported cases of injuries and deaths caused by marble guns: