Most crayons are made of petroleum paraffin wax. Crayon Rocks are made from U.S.A. grown and processed soy wax.
The brand combines this wax with other plant waxes and a variety of non-toxic powdered pigments to create beautiful colors. Crayon Rocks uses a natural ground rock to give the crayons their body. This creates a crayon that goes on smooth and blends easily and is, in many ways, much like an oil pastel.
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