Abstract: An embodiment of the present invention discloses a carriage, for instance for a buggy, including a frame to which a number of first arms are pivotally connected, wherein the first arms can be placed in a position of use and in a compact position, wherein the carriage has at least one locking device. An embodiment of the invention is directed to a carriage including at least one second arm which is pivotally connected to at least one first arm, wherein the second arm can be locked in the position of use by at least one locking device. An embodiment of the present invention also discloses a mobile carriage having a frame provided with at least one central part and with at least one third arm which is connected fixedly to the central part, wherein the buggy has a position of use and a compact position.