CHILD SEAT SYSTEM

The invention relates to a child seat system, comprising at least one first seat element and a base which can be attached to a vehicle seat, the base having a plinth element and a rotary element. At least the rotary element has at least one fastening device for fastening the first seat element. The rotary element is arranged rotatably on the plinth element in such a way that the rotary element together with the seat element is rotatable relative to the plinth element for changing an orientation of the seat element, the seat element being removable from the base.