From the archives of the Oslo museum, some photographs taken in 1940 at the occasion of an exposition on civilian defense against bombing threats (click on the pics to enlarge them):
5kg frag:

10kg Frag:

50kg Frag:

and the three of them together:

Sadly details of these bombs are unknown although as samples of the 10kg bomb have survived:
This is a model from 1938 that was auctioned some time ago

and another photograph of from an unidentified source :

I'd be delighted (as always) if someone can give more details on thes e bombs
5kg frag:

10kg Frag:

50kg Frag:

and the three of them together:

Sadly details of these bombs are unknown although as samples of the 10kg bomb have survived:
This is a model from 1938 that was auctioned some time ago


and another photograph of from an unidentified source :

I'd be delighted (as always) if someone can give more details on thes e bombs