US Patent 9616909 Multi-functional wagon

The multi-functional wagon includes a bin for storing and transporting products such as hay, vegetables, and/or dirt. The bin includes opposing side walls, opposing end walls extending between the opposing sidewalls, and a base, which provides a lower support surface for contents in the bin. The walls are foldable from an upright position to a lowered folded position. One or more containment units and a support assembly are removably connected to support pipes at corners of the bin.