Is that a cool blue or a warm blue? Kick things up a hue; learn to identify and use the warms, the cools, and the complementary colors to make the shapes you see.
Materials to bring include a drawing pad, a range of pencils (2B up to 8B). Soft color pastels. A basic set is fine. The Dairy Barn will lend some of these drawing materials on a first come, first serve basis.