(a) The owner or operator of a carnival ride shall post a clearly visible sign at the location of each ride and at the location of tickets sales for each ride which states any age, weight, or height requirements of the ride which are necessary as a safeguard against injury.
(b) It shall be unlawful for any owner or operator to permit entry to a carnival ride to any person who does not meet the posted age, size, and weight requirements for such ride.