Video by Jorge:
Starting Bubbles: 30
Recommended Potions: None needed for 3 Stars.
Good to have Charms; the Charm of Precision, teh Charm of Disarm, the Charm of Insurance
Special Bubbles: Skulls
Video by Sebastian:
You have to be very precise when aiming at level 65. As you can see from this screen cap there are a lot of skull bubbles that one will have to avoid. If you hit a skull bubble all the bubbles goes black and you loose a life!
Here is the level Design for Level 65, taken with the Charm of Scrolling;
The poles and the lanterns offers great details for adjusting your aim!