Pig Bang.

Pig Bang is the first episode of Angry Birds Space and contains 30 levels. The 30th level is very awesome. There is this pig in a tank and he shoots a few bubbles with stone and fruit. Whenever you try to hit the King Pig, there is something bouncy that makes the bird bounce off that structure. There is only one pig. The Black Bird is the only bird that can destroy part of the tank. You have to pop the bubbles with stone in them to damage the tank.