There is a Collectable Item hidden in Angry Birds Star Wars II Escape to Tatooine level P2-12, on the far right side of the level. In the video, we accidentally obtain the Collectable Item with a random piece of debris being launched from the TNT blast below. Whoops. But nonetheless, we chose to continue recording to show you a legitimate strategy.
Fling the Battle Droid straight ahead, shooting the leftmost plank of the bridge with the laser blaster. Repeat the shot to destroy the bridge. Arc the final Droid through the gap where the bridge used to be. As it falls through the gap, aim for the Bonus Box with the blaster. Pew! Pew! Got it!