Login to unlock this video.
If you don't already have an account, sign up to enjoy more TVNZ content anytime, anywhere.
Boisterous boys - they can drive parents and teachers to distraction. But is that such a bad thing?
Join Miriama Kamo and the team as they delve into the subjects that matter to you.
Titles, characters and all other elements are the trade marks and copyright of TVNZ or its licensors. All rights reserved. Further details available here.