We were lucky enough to win a guided tour family pass to the Tropical Butterfly House. It is the tallest butterfly house in NZ (or Australaisa), obviously it is very hot, but our guide was very informative and helpful. We also visited the interactive area for the kids (& grown-ups) and had heaps of fun there. Although we never had time to visit all of the museum I would definately be back. We visited as a family with an 8 year old and 13 year old.