Mighty Hoax 4-21

Mighty Hoax 4-21 is the the twenty-first level of Mighty Hoax, the final level of Theme 4, and the 84th level of Angry Birds overall.

Three Star Strategy
First, fire the Yellow Bird through the stone triangle on top of the tower. Repeat with the same one, and the whole tower could collapse on the pigs, if not use the third Yellow Bird to finish it off.

Trivia

 * This is the first level to use the King Pig cardboard cutout; after completing the level, you will see that the birds destroyed the cutout.
 * Strangely, the King Pig's cutout still have the sprites as same as the original King Pig.