This is a lesson related to collage, découpage, and composite images in general:
Collage: A form of art in which a variety of materials (e.g., photographs, fabric, found objects, bits and pieces of originally unrelated images including commercial images) are arranged and attached to a flat background, often in combination with painted or drawn areas.
Découpage: The art of decorating surfaces by applying cut-outs (as of paper) and then coating them with usually several layers of finish (as lacquer or varnish), work produced by découpage.
Composite Images: An image made from a variety of materials and methods (e.g., a mixed-media print made up of text, images, and other materials).
It is meant to have students think about creating and communicating new meaning in context using 'out of context' materials. Perhaps Middle school (or higher) level of thinking is required, although it could be modified in terms of complexity and materials for lower grades.