Happy 4th Bird-day Angry Birds! 15 brand new levels added to the Bird-day Party episode! -----------Plus the electrifying Short Fuse episode from the earlier update. Play 30 levels set in a piggy laboratory with wacky scientists and crazy potions!NEW SHOCK WAVE POWER FOR BOMB! In the new levels, Bomb creates a circle of electricity and unleashes an almighty blast!NEW POWERFUL POTIONS! Experiment with three piggy potions to make those green creatures look even stranger than normal!