The part played by the scale in each of the sounds that make the animals depicted. (Wau Wau, meow, moo, ...) One needs strong nerves, but in which children's toys with batteries you do not need to. I think it sounds good, of course, not like a real, that you can expect for the price probably not. Have the Keybord now for over a year, it is constantly in use and still has the first batteries. It flies constantly over the ground and still looks great.