I am beginning to wonder if a couple of the babies might be Seal points. I hadn't considered this as a possibility but looking further into the parents' genetics it is actually possible and a couple of the babies have very dark nose leathers and rims round their ears, pads on feet are darkening too. I know blues can colour up quite early but a couple of these babies seem to have really dark nose leathers....
All babies gained weight again..
Tiny is now a very respectable 95g
and the biggest baby weighs in at a whopping 150g