There is a Collectible Item hidden in Angry Birds Star Wars II Reward Chapter level BR-5 (Anakin Skywalker Podracer), in the far right corner of the level. Send Anakin through the top of the two bubbles, redirecting the Pod Racer into the Bonus Box.
Go back to the Complete Star Wars II Bonus Boxes Guide. If you have a different strategy feel free to leave a comment below.