If you have purchased your ticket but cannot come or want to change the date of your visit, we will refund your ticket money. To change the date, it is essential to purchase the tickets again for the date you wish to visit and, at the same time, request a refund of the amount of the tickets. The request for a refund of the amount of the tickets is very simple and is done by email following the following procedure: Forward your ticket purchase email to: info@bioparcvalencia.es Indicate in the subject of the email: RETURN TICKETS. Provide us with a contact phone number in case we need to talk to you.   We undertake to make and confirm the return by email within a period of no more than 72 hours. Please check your spam folder.