http://www.youtube.com/watch?v=E6hEg_3GQ0YYouTube - Excavator Challenge 1[/video]

http://www.youtube.com/watch?v=Un9YG5B-_SoYouTube - Excavator Challenge 2[/video]

http://www.youtube.com/watch?v=_-SCO2rH7wgYouTube - Excavator Challenge 3 coca-cola can[/video]


Saludos