These incredible cute shifting companions echo their symbolism for gifts they are unique and shy but often enjoy a love for cheese and are friendly and easygoing. They shift from either an Elf or humanoid being into a mouse and can appear inbetween too. They enjoy cheese peanut butter crackers and candles and incense that smell like fruit as offerings. Often shy and timid and easily scared or frightened they do not like yelling screaming or arguing and need a rather peaceful keeper with a peacful astral home. They bring these gifts to assist you in personal and psychical growth. 
☆ Connection to the underworld
☆ Helps you with humble feelings and gratitude and seeing what is in front of you.
☆ Reminds you  not to neglect the small and necessary things 
☆Help overcoming fear 
☆Heightens your awareness 
Here is a link for more symbolism on what they can help you with. 
https://www.spirit-animals.com/mouse-symbolism/