http://taronga.org.au/sites/default/files/dl_visa_kidsoffer_… for the voucher.
Visit Taronga Zoo with your Visa card and the kids go free*
To celebrate Visa’s sponsorship of Taronga Zoo, Visa cardholders can enjoy a fun day at Taronga Zoo.
For every adult ticket you buy with your Visa card, you’ll receive one child ticket completely free*. This amazing offer is only available from 08 March – 28 March 2013 so don’t miss your chance to have a wild time with the whole family.
All you need to do is click on the link below to access your Visa Free* Entry voucher. Print out your voucher and make sure you present it at the Zoo’s Ticket Office when purchasing your ticket with your Visa card.
Enjoy your visit to Taronga Zoo!
CLICK HERE for your VISA Free* entry to Taronga Zoo
Conditions: Offer is for free entry for ONE child (aged 4-15 years) when purchasing one full paying adult ticket using a valid VISA card at the Zoo ticket desk in the promotional period, only upon presentation of a VISA zoo month voucher as a print out or on the ticket buyers mobile phone (smart phone). Tickets must be purchased at the Zoo ticket desk, and the buyer must use a valid VISA card. Paying by VISA includes all valid credit cards that include a VISA logo. Each voucher is valid for ONE free child entry PER single adult ticket purchased. Only valid at Taronga Zoo Mosman NSW. Not valid for online ticket purchases. Not valid with any other promotional Zoo offer including, but not limited to, other concession or discounted tickets/vouchers, Zoo Friend passes or transferable guest passes, pre-paid tickets, family tickets, free or complimentary tickets/passes, and all combined transport passes including but not limited to ZooPass and Ferry passes. Not valid for teachers/adults accompanying school visits, or function, event or pre-arranged group bookings. Not redeemable or transferable for cash. Voucher must be handed in at the ticket desk or displayed on a mobile phone (smart phone).
Offer is only valid between 08 -28 March 2013, inclusive.
Thanks OP