Relief prints were a fun art project and are still being used. We tried using styrofoam and craft foam to make our printing plates. (Thanks to Art for Small Hands for the inspiration). I preferred the craft foam.
Using a pencil, simply draw your image onto the medium of your choice.
Apply tempera paints to the surface.
Then, lay out the sheet of paper onto the table.
Press the printing plate onto the paper.
Normally, people press the paper onto the printing plate. For my little one, she did not know where the plate was, thus while pressing the paper would slide everywhere. By applying the painted plate onto the paper, she knew exactly where to press