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?
Classroom Decor Classroom Sign Teacher by LittleLifeDesigns -- I will definitely use this is my classroom because it gives each student a sense of value.that they are respected and loved in my classroom. It also creates a welcoming environment.