Amazon Australia offers free shipping on eligible items for orders over AUD $49 to New Zealand. However, this offer may be subject to certain restrictions, such as the size and weight of the items, their availability, and their destination address. Additionally, some items may not be eligible for free shipping or may require additional fees or import duties.

To check if an item qualifies for free shipping to New Zealand, you can look for the "FREE delivery" label on the product detail page or add it to your cart and proceed to checkout to see the shipping options and costs. You may also need to create an Amazon Australia account and provide a valid shipping address in New Zealand.

Please note that Amazon's shipping policies and prices may vary depending on various factors, such as the type of item, the seller, the shipping carrier, and the delivery location. Therefore, it's recommended to review Amazon's terms and conditions, FAQ, and customer service for the most accurate and up-to-date information about their free shipping options to New Zealand.