For those of you yet to watch the Headmasters series, you may wish to skip this Ark Addendum update.
While at first glance these items do not appear to be much, they leave a lasting impression on the history of Transformers, managing to do something to Cybertron that not even Unicron himself could...

These three bombs, and their special backpack, were given to Wipe by Scorponok. The unusual design appears to be a concession to Wipe's anatomy.
To check out the full image of the Vector Sigma Bombs, and for Jim's full blog update, please click here.