Sometimes it takes up to 24 hours for a purchase to arrive. Please make sure that your Internet connection is stable. Try restarting the game a couple of times and rebooting your device.
If that didn’t help, please send us a screenshot of the payment receipt, and we’ll sort it out!

Here is where you can find your payment receipt:
You are supposed to get an email with each of your receipts. If you can't find it:

1. Enter payments.google.com, then log in with your Google account.
2. Select Transactions to display your Play Store order history.
3. Tap an individual entry to view its corresponding receipt.