TICKETS FOR MINORS
For reasons of capacity control, MINORS from 0 to 13 years old (included) must buy the day ticket at the symbolic price of 4.95 € (fee included).
To buy them you must go to buy the normal ticket and select Ticket Kids. Minors must be accompanied by a parent/legal guardian. It will be obligatory to show the ticket at the indicated access control.
-Minors under 14 and 15 years of age must purchase the ticket at the normal price and be accompanied by a parent or legal guardian.
More information here