As used in this article, the following terms shall have the meanings indicated:
Any felt-tip marker, china marker or similar device that is not water soluble and which has a flat or angled writing surface 1/2 inch or greater.
Any person under the age of 18 years of age.
Any person, partnership or corporation selling or offering for sale any of the items prohibited by this article.
Any self-contained can, bottle or container which contains paint that can be applied to a surface by aerosol or gaseous spray from the can directly to the surface.