These are slot machines in which the prizes and jackpot never change and the amount it costs to spin the reel never changes aswell. These usually feature the famous symbols such as red and blue "7"s and various "BAR"s and "cherries". They have all the amounts of money you can win on the top half of the machine so the customer knows what he has a chance of winning. The jackpot can be anything from $10 to $10,000.