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?
Not sure about dijon mustard being paleo. Would do awauy with corn. Honey Mustard Chicken, Avocado + Bacon Salad, with a crazy good Honey Mustard dressing withOUT mayonnaise or yogurt! And only 5 ingredients!