THIS IS A WIND UP MUSIC BOX PLAYING THE HOLIDAY SONG: ADESTE FIDELES (O Come, All Ye Faithful)! IT HAS THE WIND UP KEY ON THE BOTTOM, YOU NEED TO WIND IT UP FIRST, THEN LET IT GO AND IT PLAYS PART OF THE SONG OVER AND OVER FOR ABOUT 1-2 MINUTES! This small music box is made of maple wood with a gray finish, it has Nativity scene engraved on top and it’s ready to go! The music box approximately measures: (W x D x H): 3 in x 2 3/4 in x 1 3/4 in! (7,6 cm x 7 cm x 4,5 cm ) With the different images and melodies they’re suitable for any occasions: Christmas, birthdays, baby showers, Valentine’s day, family reunions, graduations, Mother’s day or as bridesmaids gift, maid of honor gifts, mother of the brides gifts, ring bearer gift, thank you gifts or get well gifts as well! If you have a specific idea for the engraving, please contact me, I’d be happy to work with you.