Boosters are items that are purchased with coins to help you in the game!
Boosters include the following.
The Guide Bubble
The Guide Bubble will grant you a longer guide line to help you shoot more accurate shots!
The Bomb Bubble
The Bomb Bubble will replace 5 random bubbles into Bomb Bubbles!
The Lightning Bubble
The Lightning Bubble shoots down a lightning bolt to knock down a mass of bubbles!
The +3 Bubble
The +3 Bubble lets you start a level with 3 extra bubbles!