Hi,
When Gibbs Farm open day bookings open, you typically have 24 hours to get your request in before they are completely full. It’s just opened for Thurs 11th and Fri 12th April, 2019.
https://bookings.gibbsfarm.org.nz/reservations/
This is free to anyone who wants to register and request access for their group. – Visit the link above for more details.
Regards,
Chris.