A dad has been forced to sell his car after finding out his son spent $1,800 on top-ups for a mobile phone game.

Muhammad Ashaz, from Colwyn Bay, North Wales, was shocked to find that his 7-year-old son Ashaz had been spending vast amounts on the mythical monster training game Dragons: Rise of Berk.

He initially thought he had been scammed when he found the huge £1,289.70 ($1,785) bill from Apple iTunes, instilling a huge panic. Then to his horror, he discovered twenty-nine email receipts for transactions ranging from £1.99 ($2.76) to £99.99 ($72.22) for the game.

Muhammad said: "Initially, my thought was that I had been scammed. I never thought it would be possible to spend that much money on a kid's game."

His anger lies with Apple as he feels they have taken advantage of a young child. His son had racked up the enormous bill after only playing the "free" game for just 1 hour. Muhammad was unaware that it offers unlimited in-app purchases for up to £109 ($150).

The stressed-out dad has been given a £207 ($286) refund from Apple over what happened and he said to customer services: "Well done, you've ripped me off, you have succeeded in ripping my child off."

But, although Muhammad has been left frustrated after selling his Toyota car, Apple said that they take all such incidents "very seriously" and advised parents to take precautions when letting kids play games on mobile devices.

There are features such as parental controls, Apple IDs, iCloud family sharing, and Ask to Buy, which can prevent mistakes like this from happening.

Some people took to Twitter comments to share their opinions:

"How come their kids can pay money like they don't have password or security?" one person commented.

"Expensive lesson for the father on Responsibility & parenting...+ free lesson bonus to the kid on how to play outdoor 101," another person wrote.

One thing for certain, we don't think dad Muhammad will be leaving his kid unsupervised to play on his favorite Dragons: Rise of Berk any time soon!

What do you think about the expensive blunder?