We're aware of an issue with Facebook purchases for all King Games and our team is on it. 🛠️ Hang tight while we fix things! You can still enjoy the game, and we'll keep you posted once it's solved.
When you have collected the right number of candies (as shown in the little meter thing) then you will see a prize screen with a conveyor belt. Here you have to click on one of the prize boxes to claim the free boosters