Win Kelly Tarlton's Family Passes OH Baby

We have two family passes to Kelly Tarlton's Sealife Aquarium in Auckland to give away for Father's Day!
Family pass includes 2x adult tickets and 2x child tickets. Children must be aged between 3-15 years old. Prize is not transferable, available for resale or exchangeable for cash. Pass is valid until 26 December 201. Answer the question and be in to win!
Competition closes 30 September, 2015