Boosters, also known as power-ups, are special and important elements you may and should use when you feel stuck or if a level becomes too hard.
Here are some of the boosters:
Will burst everything around it. This will help you explode a group of regular bubbles standing in your way.
This booster will clear a path, making all bubbles in the way drop.
Creates a match with any color
Blasts a row of bubbles!