Did you know: Pitcairn Island (Polynesia) is the smallest island with country status. It is just 1.75 square miles (4.53 sq. km.)
Carry-on rules for liquids, gels and aerosols
Containers must be 100ml or less and placed in a clear, close resealable 1L plastic bag. (One per person)
Place all items over 100 ml in your checked baggage
Exemptions: baby formula, breast milk or juice if travelling with a child under two years old, prescription medicine, insulin or other essential non-prescription medicine such as saline solution.
http://www.newzealand.com/travel/getting-to-around-nz/driving-routes/driving-routes-home.cfm
New Zealand Driving Routes information