NO battery:Keep cranking the handle to play music. You are my sunshine Music melody,it is a great Gift for Birthday or Christmas. NO limit:the box with a good sound enjoyed by the children and adults.And small size, easy to carry. NO difficult:the crank is easy to move and kids can do it easily. Beautifully-carved,clear melody,great gift for your child/friends.This box is also serves as an excellent conversation piece. The perfect gift for any occasion: birthday, wedding, holiday, or just for yourself! Great melodious melody of the song anniversary birthday wedding gifts for partner, family, friends. Shape: Square Movement Tone Number: 18 Tones Type: Hand- operated Function: With Snowflake Power: Hand Cranked Music theme: You are My Sunshine song Tune, Colour: wood color Material: wooden Size: about 6.5x5x3.8cm Package Contents: 1 * music box