warm hand colors, cool background colors. They trace their hands onto circle background and then color. Great illustration for our being the hands and feet of God while teaching about color theory.
Glue resist spider web. Could get similar effect (and would be simpler with less mess) using a white crayon instead of liquid mask. For watercolor background, coat page with light coat of water, then saturate brush & drip around paper (repeat with 1-2 other colors), then swirl around w/ wet brush. Add spider at end after dry with black paint and draw legs w/ Sharpie.