Golden Egg Level 28

The last normal Golden Egg is in birthday party 19-14. You have to destroy the "Cake-TNT" and then the Egg will appear behind the slingshot.Fling Boomerng Bird backwards to reach it. The level is simple. Fire Terence up, so he should hit the first tower, then rest of the construcion should collapse to the rightmost TNT and the floating pigs will explode.