Usually hanging shelves are easy to create and realize. The simplest variant is represented as a wood board fixed on the wall with two lather strips. Such project is very simple to build and this is a question why you did not do it earlier. You may need a leather strip, wooden material, ribbed plastic anchors, spray paint of favorite color, painter’s tape, a drill. First paint all details with spray paint, drill holes in leather strips, and just screw these strips to the board.