Roulette originated in 17th century France and has now made its way into almost every United States casino. Eight players play against a dealer playing the house. In front of the dealer is a roulette wheel – the dealer also handles the bets and payouts. Depending upon its location, the roulette wheel may have anywhere from 36-38 slots. In the United States, the wheel has 38 slots, whereas in Europe most have 36 or 37 slots. Before the round starts, each player buys chips to get into the game. They use colored chips instead of cash chips so their bets don't get mixed up. If you have won at the end of the round, you will receive cash chips back. These cash chips can then be taken to the casino cashier in exchange for real money. This system is used in an effort to combat cheaters who might sneak in money or other chips into the game.