They love fun, and an old toilet roll tube or kitchen towel tube can amuse them for ages. The old mouse wheel is also popular, but make sure it is big enough. And remember to wash it now and again. You may need to keep a hold on the tail to prevent a nervous mouse leaping from your hand. Feeding Mice should be fed on a basic diet of whole or rolled oats, with a little hamster food and budgerigar seed given very occasionally for variety.
Dog biscuits are good for their teeth.
You should always have water available, and nursing mothers will appreciate milk. In the summer they love the yellow Dandelion heads, and also seeding grass, but don't overdo this. Mice are basically omnivorous, but it is a myth that they love cheese. It doesn't do them any good and is only used in mousetraps because it smells strongly and has a good texture for putting on the little spike. Breeding Mice can live for up to two years.