An apparatus for transporting a load comprising: a power supply; one or more parts for mobility; a driving mechanism for driving the one or more parts for mobility; a body comprising a central wall, a first side wall and a second side wall, wherein the first side wall and the second side wall extend away from the central wall such that the central wall, the first side wall and the second side wall form a boundary defining a space for residing a load or a portion thereof, an attachment mechanism for attaching to the load, wherein the attachment mechanism comprises a first attachment member mounted to the surface of the first side wall and a second attachment member mounted to the surface of the second side wall; and a processor configured to activate the driving mechanism to move the apparatus to transport the attached load to an intended location.