Abstract: A stirring device for a container, such as a baby bottle, said stirring device exhibiting a recess which closes off the container opening when the container is inverted. The recess is fitted with an inner wall section with an inside thread for screwing in the container. A drive shaft of a stirrer extends through the bottom of the recess. The housing consists of an outer wall section, the inner wall section with the bottom and a ring section which connects the outer wall section with the inner wall section. The housing is closed off with a bottom plate. The batteries that supply electrical power to the stirrer motor are placed vertically between the outer wall section and the inner wall section.