A trolley is described, which is designed for conveying products, in partlar foods and drinks for sale, and which has plural containers which can be placed one above the other in a frame. The frame is provided with wheels and has a fixed water supply container with insulation and heating means and a battery-supplied pump for conveying the water heated in the supply container to one or more tap points. The plural containers are selected from: (i) an insulated, heat-conserving container with heating means; (ii) an insulated cooling container which may optionally have cooling means; (iii) an additional insulated hot container which may be coupled to the fixed water supply container and which may optionally be provided with heating means; and (iv) a supply container which can optionally be insulated. The heating means, cooling means and/or containers can be exchangeable for each other. A lifting device with scissor mechanism and belt drive for raising the trolley to a desired height is also described.