This the 2nd email I’ve sent to you

Hi. Ask Apple for a refund. Nicely. (Not required, but never hurts... :-)

We're not Apple; we're users, just like you. (Well, maybe not just like, but we're not Apple and we're not in a position to authorize a refund. (Also, this isn't email.)

Good luck!

JDee

In addition to the above, and to avoid a reoccurrence:

Use parental controls on your child's iPhone, iPad, and iPod touch - Apple Support

Aahley17 wrote:

I want a refund for my kids purchasing stuff on Coin Master without my permission The first email I’ve sent to you I’ve never heard anything back an this the 2nd time that I’ve email

Sorry there is no Apple here in these user to user technical forums.