A collapsible container comprising: a frame assembly comprising: a plurality of rectangular frame members (2, 3) having a longitudinal length and a width; a plurality of articulated vertical frame members (9, 10) disposed between the rectangular frame members (2, 3); wherein at least one rectangular frame member (2, 3) comprises a receptacle member included within the rectangular frame member (2, 3) in the length direction; wherein at least one rectangular frame member (2, 3) comprises a receptacle member (71, 81) included within the rectangular frame member (2, 3) in the width direction; and wherein the articulated vertical frame members (9, 10) are positioned and arranged to retract to within the frame assembly; a lifting mechanism positioned and arranged to elevate the rectangular frame members (2, 3) from each other; a retractable side wall positioned and arranged to retract into the receptacle member in the length direction; a retractable end wall (7, 8) positioned and arranged to retract into the receptacle member (71, 81) in the width direction; a top member disposed on an uppermost rectangular frame member of the frame assembly; and a bottom member disposed on a lowermost rectangular frame member of the frame assembly; wherein the lifting mechanism is disposed between the uppermost rectangular frame member of the frame assembly and the lowermost rectangular frame member of the frame assembly. a frame assembly comprising: a plurality of rectangular frame members (2, 3) having a longitudinal length and a width; a plurality of articulated vertical frame members (9, 10) disposed between the rectangular frame members (2, 3); wherein at least one rectangular frame member (2, 3) comprises a receptacle member included within the rectangular frame member (2, 3) in the length direction; wherein at least one rectangular frame member (2, 3) comprises a receptacle member (71, 81) included within the rectangular frame member (2, 3) in the width direction; and wherein the articulated vertical frame members (9, 10) are positioned and arranged to retract to within the frame assembly; a plurality of rectangular frame members (2, 3) having a longitudinal length and a width; a plurality of articulated vertical frame members (9, 10) disposed between the rectangular frame members (2, 3); wherein at least one rectangular frame member (2, 3) comprises a receptacle member included within the rectangular frame member (2, 3) in the length direction; wherein at least one rectangular frame member (2, 3) comprises a receptacle member (71, 81) included within the rectangular frame member (2, 3) in the width direction; and wherein the articulated vertical frame members (9, 10) are positioned and arranged to retract to within the frame assembly; a lifting mechanism positioned and arranged to elevate the rectangular frame members (2, 3) from each other; a retractable side wall positioned and arranged to retract into the receptacle member in the length direction; a retractable end wall (7, 8) positioned and arranged to retract into the receptacle member (71, 81) in the width direction; a top member disposed on an uppermost rectangular frame member of the frame assembly; and a bottom member disposed on a lowermost rectangular frame member of the frame assembly; wherein the lifting mechanism is disposed between the uppermost rectangular frame member of the frame assembly and the lowermost rectangular frame member of the frame assembly.