Artist Anne Eichhorn shows how she uses watercolors, pen, and typewriters to create charming little pieces of art and jewelry from used teabags.
Once the basics get mastered, there are some very impressive advanced tutorials, like these examples from Dianne Ayers:
• HOW TO USE WATERCOLORS ON A TEA BAG –/ Anne Eichhorn –/ freiland — potsdam — germany (YouTube / Do It Together)