Housing I recommend using a bin cage with mesh on the lid. Keep in mind, the bigger the cage the more clutter you'll need and the more mice you'll need. They show signs of stress if there's only 3 in a 50 gallon tank/tote. You'll need:
Wheel They need a minimum 8" upright wheel. Don't use saucer wheels. They cause back injuries. If you use an exercise ball, it needs to be a minimum 8" and you MUST supervise them when they're in it. Keep them away from stairs and space heaters, fire places, etc.