If you look on the left side of your screen there’s bubble safari boost bubbles that you can spin !

Bonus bubbles are a great way to catch fire as they have special attributes that can help you get a third consecutive fruit drop !

Earning points also helps fill the bonus bubble reel.
When the reel is full, click “spin” and you’ll earn a bonus bubble to either use now or save for later. If you don’t like the bubble you’ve received you can pay cash to respin.

list of available boost bubbles that you can use :
Rainbow – this will become the color of whichever bubble it hits.
Paint – this will paint the surrounding bubbles the same color as the one it hits.
Coconut – this is a strong bubble that will knock out a few bubbles around the one it hits.
Steel – this is a stronger version of coconut
Sticky Bomb – this will stick to whichever bubble it hits and explode after your third turn – knocking out a few extra bubbles in the area.
Electric – this fires a beam of electricity and destroys all the bubbles in its path.