Uchida Color In Watercolor Twist Set. These are ideal for coloring books and paper crafts when you want to create your own watercolor look! Coloring book watercolor pencils with a twist. Color with Watercolor Twist and use a blender, water brush, or damp paint brush to create a watercolor effect. Brush included in set. This package features plastic pencils with watercolor type lead. Set of 36 watercolor pencils.