Features:<br>This music box is made of acryl, it is very small with heart shape.<br>It is a mini one, you can take it with your key mobile together or put it in your pocket any time.<br>The tune &quot;Castle in the sky&quot; is the theme song of the music box.<br>The sound power from Spring, use the key to turn the Spring tightly, then release and it will play.<br>A cute gift for yourself or your friends, hope the music box can bring your happiness and wish you enjoy a musical life.<br><br>Specifications:<br>Melody: The Castle in the Sky<br>Rhythm: 18 notes<br>Type: Heart shape wind up music box<br>Color: Red, purple, light turquoise, dark turquoise (optional)<br>Material: Acryl + Metal<br>Playing Speed: 12-20&quot;<br>Full Playing Time: 2-3&#39;<br>Service Life: &gt;=500 times<br>Item Size: 5.3 * 4.6 * 1.9cm / 2.1 * 1.8 * 0.7in<br>Item Weight: 36g / 1.3oz<br><br>Package List:<br>1 * Music box<br><br>Note:<br>Item color displayed in photos may be showing slightly different on your computer monitor since monitors or photography light are not calibrated same.