[quote=@SallyJohnson02]
What? A potato gun?
*stands around, confused*
[/quote]

Never seen one before?

Here's a diagram: 
[img]http://www.spudgundepot.com/images/Combustion%20Potato%20Gun%20Parts%20Final.jpg[/img] 
you can fire anything from them. *gets a handful of marbles and fires them at you like a shotgun*