DIY Architectural Letters ~ Designing and constructing a letter. Instead of wet, messy adhesive, you'll be using paper packing tape to create a papier mache effect. Inexpensive and easy to use, it creates finished letters that are hard and durable.
Watercolour triangles let students paint paper with watercolors, wet on wet, similar colors. Let dry and cut into triangles. Students pick triangles and glue down randomly, leaving white around each one. Maybe try with black or other color background?