I did not receive boosters with last two coin bundle purchases.

Hi @erneshiap and welcome to our adorable Community 😊 I am sorry this happened to you but don't worry, we can solve this together. Just follow the link below and you will see several options what to do when your purchase goes wrong, including the refund option.

https://community.king.com/en/bubble-witch-saga/discussion/246225/something-went-wrong-with-your-purchase

I hope this will help you. Have a wonderful weekend 🤗