It shall be unlawful for any person with knowledge that a person is seventeen (17) years of age or younger, or who fails to exercise reasonable care in determining the age of such children, to sell, deliver, offer for sale, distribute, publish, print or exhibit to children any harmful material with knowledge of the content thereof, or recklessly failing to exercise reasonable inspection which would have disclosed the nature or content thereof, whether writing, picture, moving picture, record or other representation or embodiment of harmful material, or to present or to direct a harmful play or other performance, or to perform a harmful act, or otherwise promote the sale of harmful material to children.