Abstract: In connection with rocking devices used up to now, there was the danger of physiological posture damage because of the essentially seated position of the small child. In accordance with the invention, a teetering or rocking device (1) for small children, particularly for small children of an age between approximately one month to approximately twelve months is provided, having a support (2) for receiving the small child (3) on the surface of which the small child rests prone, and having a support device (4) for suspending the support (2) at such a height (h) from the floor that the feet (14) of the small child can reach the floor. The support (2) is formed from a shell which is ergonomically adapted to the body shape of a prone small child, the support surface (17) for the hands and the head follows the shape of an oval in the front area and approximately continuously tapers towards the back in the direction of the stomach into a rear extension (18).