A weaker type of Glass can be seen in some levels of Piggy Farm and other. Just like Glass it is very fragile. Glass breaker birds can break this type of glass. It's mainly used in the structures as windows or protectors and difficult the access for blocks or pigs a bit. They come in various colors but are mostly teal.
- The Blues are very helpful on destroying glass, especially when "shotgunning" or better, when split.
- Strangely, Chuck is weak against glass, despite glass having a much weaker strength than wood & stone.
- Despite the game achievement referring to ice and the Mattel board game being called "Angry Birds: On Thin Ice," Rovio has revealed, via Twitter that the material is meant to be glass.
|Angry Birds||Glass • Wood • Stone • Grey Blocks|
|Angry Birds Seasons||Gold • Clouds • Snow • Ghost Blocks|
|Angry Birds Rio||Sand • Iron|