OP, is there an age group or warning in your listing ?

If I was you I would carefully consider what toys I was selling .The buyer may be in well within their rights to report the selling of unsafe children's toys.

http://www.productsafety.gov.au/content/index.phtml/itemId/975166/fromItemId/975165

Product Safety Australia

Australian and overseas businesses selling products online are responsible for ensuring they meet Australian product safety requirements. About 50 consumer products are covered by specific safety regulations. These include bicycles, children’s toys and nursery furniture. Product safety regulators monitor these products across the Australian market, including the online sector, to ensure they meet mandatory requirements. Regulators have taken action against businesses that sell unsafe products online.