Angry Birds 21-12 Bad Piggies Walkthrough 3 stars

a way how to get 3 stars @ Angry Birds Bad Piggies part 2 level 12... this level was one of the hardest i ever played.. =D but i finally could record it!!!! took me hours of frustrating ... but yeah, here is my way to solve it, i hope it helps you.. try it a couple of times.. with an ipod or iphone it might be pretty hard.. good luck everyone!! and have fun.. no matter how hard this is^^ Twitter: http://twitter.com/snowmansapart