It is unlawful for any person to knowingly and wilfully promote, display publicly, distribute or furnish any sexual device to any minor. Each promotion or distribution or each day during which any sexual device is displayed publicly to a minor shall constitute a separate offense. A person convicted under this section shall be guilty of a class B misdemeanor. (Ord. 11-20-84D § 1 (part); Code 1975 § 13-1210(3))