Manually operate the mechanical mechanism on the back of the music box to wind or unwind, allowing for interactive participation. Includes the enchanting melody "Castle in the ," creating a magical atmosphere. Therapeutic effect for both children and adults, providing pleasure through the act of winding and listening to beautiful music. Ideal gift for various occasions, suitable for family members, friends, and loved . A perfect alternative to hand-cranked music boxes, offering relaxation without the need for constant shaking. How to Use: Manually operate the mechanical mechanism on the back of the music box to wind or unwind the mechanism, and the music box begin playing. You can control the tempo and rhythm of the music, allowing for interactive participation and creating a wonderful atmosphere! Therapeutic Function: This music box has a therapeutic effect on both children and adults-holding this small musical device, winding it up, watching the gears turn, and listening to the beautiful music is a pleasure in itself. : If you're tired of hand-cranked music boxes and don't want to keep shaking them, then this clock music box is the for relaxation! It can also be given as a /Christmas stocking gift/Thanksgiving gift/birthday gift/Valentine's Day gift/Mother's Day gift/Father's Day gift/gift for girlfriend/children's gift/home decoration/collectible! Color: As Shown Material: ABS Package Contents: 1*Manually turn the music box Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.