Free shipping items are sent by International Letter Post. This is an extremely reliable service that RCTA has been using for years. Be aware that this service is not tracked. If you require a tracked service please purchase from the Postal Options category. All orders are photographed at time of postage along with the postal receipt. This image will be emailed to the customer within 24hrs of postage. If you do not receive such an email please check your Spam/Junk folders. Customs forms are typically written as "Circuit for R/C toy", marked as a "Gift" with a value of between $10 - $20 AUD.