These locomotives come with a host of standard features found only on larger more expensive locomotives including: Die Cast Metal Body, Powerful Five Pole Can Motors with Flywheels, constant speed regulation, ful cab interiors with lighting, Operating headlights, Directional back up lighting, Metal Kadee couplers, and much more. The sounds include the following but may varey depending on the locomotive: Authentic sounds specific to the locomotive, Air horn, Dopler run by effect, squeling brakes, Squeling flanges, Bell, Whistle, cooling fans, Air pumps, Air realease, Coupler crash, and more.