Snowflake (no ring) has successfully hatched all 4 eggs although it was touch and go with the last one which I was about to throw away this morning as it was all dried up. However it managed to give a healthy chirp of protest so I managed to damp it a bit to soften the membrane and help the little thing out.
I did not hold out much hope as Snowflake (no ring) is very aggressive / protective and I thought she might attack the late arrival.
All well this evening and all 4 doing well.
Tom's Solar Powered boat 's glue has set and it worked when the sun came out!!!