AVESON Unique Transparent Acrylic Wind Up Mechanical Music Box for Christmas Birthday Friends Gift Melody Happy Birthday

Note: The music movement just play a part of song ,not play the whole song. Futures: Playing speed: 12-20" Drum turns available(times): 8 circles Full playing time: 2-3' Dimension: Approx 6.2 * 5.2 * 3.8cm / 2.4 * 2 * 1.5in Item Weight: 63g / 2.2oz Medoly: Happy Birthday with classic 18 notes rhythm Material: Plastic with metal movement The sound power from Spring. Use the bottom key to turn the Spring tightly,then release and will be playing. Please do not wind up too tightly, otherwise it may damage the movement Package Included: 1 * Music box