Things to Remember

 
  Every week:

 

Scrub out and disinfect the cage(s) of male mice. (female mice can be done every 10 days or fortnightly).
Change the bedding material and replace floor-covering (wood shavings/saw dust).
Wash and refill water-container.
Check the cage for signing of your pet gnawing it. If they have make sure there are no sharp edges as a result and repaid any serious damage.
Check and, if necessary, replace branches / sticks and any other toys that have been badly chewed.