(a)    The owner or operator of any bicycle who fails to obtain or exhibit a license in the manner required under this Chapter or violates any other provision of this Chapter, shall forfeit not less than $10.00 nor more than $20.00 for the first offense and not less than $10.00 nor more than $50.00 for the second or subsequent conviction within a year. In addition, any person convicted of violating any provision of this Chapter may have their bicycle or skateboard impounded for a period of time not to exceed thirty days.

(b)    Any person under the age of 14 years who violates any of the provisions of this Chapter shall be subject to the jurisdiction of the Rock County Circuit Court and subject to all provisions of Chapter 48 of the Wisconsin Statutes.