Thank you so much who ever said to get a incu therm Tm digital thermometer with min/max memory incubator warehouse it should be here in a few days we expedited shipping .
3 shells or open slightly . How long do I have tell I have to assets them. There no bigger holes today but moving a little. Still on breathing machine .neblizer .we baught another one for the other machine. For the other bator. Both have soft shells.