They usually aren't so big

Vic Vipers are usually a lot smaller than this one. But the size of this is what makes up a good part the awesomeness that is the Blacktron Aggressor, built by DJ Quest.

Oh, and those Blacktron Symbols on the big things on top, are just win.

http://www.flickr.com/photos/14524295@N07/4868925269/in/pool-blacktron/