In casinos all over the world, slot machines are electronic gambling machines. Modern models usually use buttons or touchscreens, although the original model was operated by a side lesatta king ..ver. In order to spin multiple reels displaying different symbols, the basic principle involves inserting money & turning on the machine. Winning happens when certain symbol alignments happen. These machines have a wide variety of themes & styles; they range from straightforward three-reel models to intricate video slots with multiple paylines and bonus features.