Bad Piggies 21-9

Bad Piggies 21-9 is the eighth level of Bad Piggies in Angry Birds.

Strategy
Drop the White Bird to one of the cranes, which destroys one Small Pig.

Glitch
A glitch can be done by using Matilda, the White Bird. There are two White Birds, but you want to use the first one. Shoot the White Bird backwards and use her egg bomb ability on top of the second Yellow Bird so that the egg she deploys lands on top between the second Yellow Bird and second White Bird. It will be stuck there until the second White Bird can hop on the slingshot, then the egg will fall down and explode.