Try different surface decoration techniques onto metal washers. If teaching a distance learner, stick with colored sharpies or torn magazine/newspaper collage.
Sculpture Jewelry Lesson: Jazz up the boring metal washer and learn new surface decorating techniques at the same time. Sold in many sizes at Home Depot. Students can make necklaces, key rings, bracelets, etc. Invest in a set of alcohol inks! Sharpies work great too and add collage imagery for layering and depth.