Try Zentangle with your Students - It's way easier than it looks and it is not only a great way to teach concepts like line and shading, but it is also good for de-stressing. Would be good to use as a break from testing.
Hui Chan Jackson FREE BEE Classroom Rules~ Be ready. Be respectful. Be responsible. First saw these in a colleagues room over a decade ago. The rules are as cute and relevant today, as they were back then!