Thanks to Kids Artist blogspot for this great lesson on Burton Morris. I was looking for a quick 2-3 day fun project for my 5th grade students and stumbled upon your lesson. They are so loving this lesson and learning about the work of Morris. My students always seem to enjoy investigating the work of a living artist and Morris's work was no exception. I allowed them total freedom as they discovered the materials they wanted to incorporate into the making of their hearts. There are many recycled papers and even some pressed tissue paper in use. I love the results!