Abstract: One embodiment of the present invention relates to a device for a pram, including a collapsible undercarriage provided with at least one moving device and at least a sub-frame which is releasable from the undercarriage and which is provided with device for supporting a child, and wherein the sub-frame is provided with a tiltable push bar. The sub-frame is reversible relative to the undercarriage. Another example embodiment of the present invention also relates to the use of a bar on a device for displacing a child, such as a pram, wherein the bar forms part of a sub-frame which can be coupled to an undercarriage for a pram, wherein the sub-frame is provided with a device for supporting a child, wherein the bar is used as push bar in the coupled situation of undercarriage to sub-frame, and wherein the bar is used in the uncoupled situation as carrying bar for the sub-frame.