Features: This kit includes a music box movement, a hole puncher and 20 blank paper strips for creative and personalised music. The music box movement and hole puncher are made of zinc alloy, durable and sturdy for long time use. Include 20 blank paper strips so you can play songs you like or transpose and create your own songs. Great gift idea by using this DIY kit to customize a song for your family and friends as a meaningful and memorable gift. Available in 15 notes version and 30 notes version to satisfy different demands. Complex songs may require the 30 notes version. How to use: Write your musical note on the paper tape, create your own musical melody by punching holes in the paper tapes provided, put punched paper tape inside the music box movement and turn the crank, then it can make sound. Specifications: Material: Alloy&Plastic Color: Sliver Note: 15-Note / 30-Note (Optional) 15-Note Paper Tape Size: 4.1*48cm / 1.61*18.89in 30-Note Paper Tape Size: 7*64 / 2.75*25.19in Item Size: 14.9*7*2.8cm / 5.86 * 2.75 * 1.1in Item Weight: 560g / 19.75oz Packing List: 1 * Music Box 1 * Hole Puncher 20 * Paper Tape