Container mounting and locomoting system

A container assembly, comprising:

• a container that comprises a back wall having a back face with at least a pair of spaced apart top mounting sockets projecting backwards from an upper portion of said back face, each mounting socket comprises at least a front wall portion and a spaced apart back wall portion, with a bottom mounting opening therebetween;
• and
• a locomoting unit comprising a support frame that comprises a pair of wheels and a manipulating handle, at least a pair of coplanar container mounts disposed at a top portion of the support frame and projecting from a front surface thereof, each container mount having an upward projecting tongue arrestable within a top mounting socket of a container;
• each of said top mounting sockets being mountable over said container mount, and
• a back surface of the container mount is spaced from a front surface of the support frame, defining a gap therebetween, said gap being dimensioned to permit insertion of the top mounting socket into said container mount.