1.NO battery:Keep cranking the handle to play music.
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.
4.Beautifully-carved,clear melody,great gift for your child/friends.This box is also serves as an excellent conversation piece.
5.Cute and Small Size?2.55"×1.97"×1.5"?6.5cm×5cm×3.8cm)