Make Watercolor Paints - baking soda, vinegar, light corn syrup, corn starch, and food coloring. It will be ready to use in a couple of days. (Must dry first.) This might be worthwhile at the rate this kid goes through watercolors.
Painting with watercolor and salt. Wet paper, paint with bright watercolors, then sprinkle with salt and wait to dry. When dry, brush off salt and you have an instant masterpiece. Cut it up for bookmarks or frame.
Shaving Cream Bathtub Paint - kids love it and it cleans the tub! and so easy to make. Oh I'm gonna do this.Shaving Cream Bathtub Paint - Use a muffin tin with shaving cream squirted into each cup & mixed with different colors of food coloring.
play dough recipe- we use a bit of baby oil in it as well to add a really smooth and soft texture. The recipe: 4 cups water, 4 cups flour, 1 cup salt, 2 tablespoons cooking oil, 4 teaspoons cream of tartar
Sources for Online Art Supplies: New & Used — Shopping Guide