RB-79 Ball from MS IGLOO is definitely one of the weirdest mobile suit conconctions that the Gundam Universe came up with, and of course, to make into a Master Grade Model kit. Prior to the "Shark Ball" there was also the RB-79 Ball ver Ka and the RB-79K Ball from 08th MS
I guess the RB-79 Ball was popular enough among fans to merit its own Gundam Evolve episode.
Anyhoo, here's the translated color guide for the Shark Ball. Click to enlarge further, otherwise you'd go blind reading such fine print *snicker*
Translation Construction Manual of the MG RB-79 Ball "Shark Mouth" can be found here.
