A kind of machine is a DITTO machine, which is a type of duplicating machine that uses a master copy to make copies of documents. A SLOT machine is a gambling machine with three or more reels that spin when a button is pushed. A gumball machine is a type of vending machine that dispenses small gumballs when a coin is inserted. A PINBALL machine is an arcade game in which players use flippers to control balls on a playfield inside a glass-covered cabinet. A vending machine is an automated machine that dispenses items such as snacks, beverages, and cigarettes when a customer inserts money or a credit card.