TNT

TNT Crates, also known as dynamite is an explosive used by Pigs in Angry Birds. Once struck, the TNT Crates explode, destroying objects within a short radius and send things flying away within a larger one. TNT Crates can prove to be quite useful for the player, since a large, fortified structure can fall when blown up. TNT Crates appear in Angry Birds, Angry Birds Rio, Angry Birds Seasons and Angry Birds: On Thin Ice. TNT Crates Also Are Featured in Golden Egg Levels

It first appears in 2-15 and if hit, it gives you five hundred (500) points.