For my crix. I have a cabinet sort of thing thats about 600 high and 300wide and deep.
Heated at around 27, by a heat mat underneath.
Have a container of sand for laying, mixture of gutload, oats and cat biscuits for food. A tinfoil dish with cotton buds and water for water and also bits of carrot a couple times a week.
Started early this month and have a good batch of eggs waiting to hatch.