Complex sentence: A gumball machine is a toy or commercial device, a specific type of vending machine, which dispenses gumballs, usually for a small fee paid in penny, the current standard cost of one gumball in the United States is one quarter dollar coin.
Split into simpler sentences: A gumball machine is a toy or commercial device, a specific type of vending machine, which dispenses gumballs, usually for a small fee paid in coins. Originally one penny, the current standard cost of one gumball in the United States is one quarter dollar coin.