Clementine Art Natural Crayon Rocks - 9 Color Pack Clementine art introduces a new way of doing art with children Clementine high quality art supplies are all natural and certified non-toxic Clementine packaging is made of 80% post consumer recycled and reusable materials Available in 9, creamy, smooth colors, crayon rocks are perfect for blending, shading or just playing around. As always, no chemical dyes or other additivies