Appropriate fruits and vegetables include pears, grapes, strawberries, dates, figs, raisins, dark green lettuce, endive, Brussels sprouts, kale and carrots. It is important that you do not feed too much of any of these fresh foods. As with all animals, clean fresh water should be available at all times as mice can dehydrate easily. Fancy mice are social and can live together in pairs. But, if kept in pairs, it is best to keep two females together as males may become territorial and aggressive towards each other.
Mice are very adaptable and do well in just about any type of metal , plastic, or glass habitat.
The cage must have a lid since mice are expert climbers and may find a way out. Kaytee Aspen bedding is the preferred bedding to use. You should also have a food dish, water bottle, and small house that the mice can use to sleep in. Especially with male mice, the bedding needs to be changed frequently, at least twice per week. Fancy mice thrive best at normal temperatures of 68-72 degrees.