You can buy your tickets directly here for the biggest attractions in Valencia.
Without queuing, comfortably, and at the official price of each park, or even less in some cases.
Tickets will allow you direct access to the park without having to redeem anything at the ticket office in most cases (see each park). In the others, you will print a voucher redeemable at the special ticket office of each park.
You can also buy tickets to other parks in Spain once you have entered one of them.