"This is just a small thing I can do to raise awareness for a charity that does big things for these born fighters. I'm also mindful that rates of rheumatic heart disease are far too high, especially in Maori and Pasifika communities."
Suzy Cato, Matt Tatton-Brown, David Seymour, Marama Fox and Roger Farrelly also took part in the challenge which represents how the heart is sometimes packed with ice during a heart operation.
Heart Kids provides practical and emotional support to help its 8000 members cope with the immediate and ongoing challenges of living with a heart condition. Its membership is growing by 15 per cent each year.