You are covered by the Consumer Guarantees Act 1993 (NZ) when you are shopping with baydragon.co.nz.
For sealed products - if it is damaged, you need to leave it unopened and contact us within 48 hours; If it is faulty after being opened, e.g. missing some parts or cards, please also contact us within 48 hours; in both cases, we will look into the matter and conduct refund if necessary.