1.NO battery:Keep cranking the handle to play music.dont need any battery, Using hand can make it work well. 2.NO limit:the box with a good sound enjoyed by the children and adults.And small size, easy to carry. 3.NO difficult:the crank is easy to move and kids can do it easily,Moving the crank can bring a beautiful music for you. 4.Beautifully-carved,clear melody,great gift for your child/friends.This box is also serves as an excellent conversation piece. 5.Cute and Tiny Music box, the Size is 2.55"1.97"1.5"6.5cm5cm3.8cm),Exquisite and small gift for your friend or family 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 Material: Wood Type: Hand-operated Function: With Snowflake Power: Hand Cranked Music Boxes Shape: Hand-operated Music theme: star war tune pls attention:Hand crank, no need battery, no need electricity Size: 6.4x5.2x4.2cm Package include: 1pc music box