Tried and true art lesson plans and videos for elementary school that feature more than 15 Art Masters that resonate with kids. Art School for Kids online art classes.
One Black Dot - The Dot by Peter H. Reynolds - creating art with dots - coffee filter art, circle painting, The Day the Crayons Quit and more. https://firstieland.blogspot.com/2017/05/what-can-you-make-with-dot.html
10 Virtual Tours of Art Museums Around the World, art history, art appreciation