Can I use a G'day Park Voucher at Discovery Parks? 15 July 2024 05:36 Updated Yes, you can use a G'day Park Gift Voucher at both G'day Parks & Discovery Parks. Related articles Can I use a Discovery Park Voucher at G'day Parks? How do I purchase Discovery Parks Gift Vouchers? How do I purchase G’day Parks Gift Vouchers? How do I become a member?