1 month to build the models
1 week to animate
36 hours to finish animating, render and finalize
3DS Max 9 with Mental Ray
Adobe After Effects
Photoshop
Macromedia Flash
There is a higher resolution version available on youtube at
http://youtube.com/watch?
v=D2rnA3WEKuE
If you want to download it, there are several video tutorials on how to do that.
Enjoy.