The biggest of their five kites, of the tuwharakiarahi design, called Te Ara Wairua and painted by Theresa Reihana, was displayed in the exhibition marquee, alongside the coveted works of Canadian First Nations painter Dominique Normans.
Billie, Yves and Josh also played in the world invitation ki-o-rahi team against France, with the two matches attracting massive attention.
France won the first game 35-27, the rest of the world won the second 48-30.
The world team included players from South Africa, Guatemala, Holland and Germany.
"Our ropu performed during the mayoral welcome," Harko added.
"There was lots on, with kids streaming through our appointed booths while we teach Maori games, fly our kites and perform etc.
"The town put on a special VIP do on the last night for our team. We've had quite an impact over the time we have been there. There are two days to go and lots still to come.