: "It's certainly nothing we've budgeted for and nothing we can afford."
But a plea to the seller for a refund has been ignored and Donna even tried contacting them on PayPal, the service through which the payment was made.
They said the purchase was a kind of "friendly fraud" and she's unlikely to get her money back.
Donna said: "Between PayPal and the bank, there should be at least one stopper that says 'hang on, this isn't right,' and no-one did".
After being contacted by numerous media outlets, eBay have agreed to refund the purchase to Donna.
In a statement eBay said the buyer will receive a refund due to “unique circumstances in this case”.
A spokesman added: "To ensure eBay remains a safe and secure marketplace, account holders must be over 18.
"A person under the age of 18 can use an adult's account with their permission, however, the account holder is ultimately responsible for any activity.
“eBay is Australia’s largest online marketplace with 1.2-billion global listings and 40,000 Australian sellers.
"We encourage customers with any concerns or queries to contact us directly.”
Her son purchased the toy using her computer, which automatically filled in her credit card information Credit: EBay We pay for your stories! Do you have a story for The Sun Online news team? Email us at tips@the-sun.co.uk or call 0207 782 4368 . You can WhatsApp us on 07810 791 502. We pay for videos too. Click here to upload yours.