Show off your creative side with the Crayola Watercolor Pencils. These pencils can be used dry or dipped in water to create unique watercolor effects with interesting shade, texture and color combinations. Can be used wet or dry to create unique watercolor effects. Blend colors together for interesting shading, texture and color combinations. Pre-sharpened for convenience. Comes with 20 each of 12 different colors, including Sky Blue, Red, Blue, Magenta, Orange, Violet, Brown, Yellow, Green, Yellow Green, White and Black. 3.3 mm lead diameter for use in schools. ACMI Certified AP Nontoxic. For detailed information see www.acmiart.org. Less harsh chemicals - made with fewer harsh chemicals, or safer chemicals than typical alternatives, helping reduce your use of and exposure to substances that may be more harmful to your health and the environment.