Not Only A Music Box But also a 3D wooden puzzle kit that needs assembly by hand with detailed instructions included. After assembled, Rotate the music generator key so it will play a melody together with rotating ballet princess. Features: - Mechanical wind-up Music Box - Eco friendly and safe wooden material - Easy to assemble - Recommended age: 14+ - Assembled Size: 92x111x83mm - Package Size: 235x156x72mm - Wood Pieces: 52 pcs - Melody: Green sleeves What's in the box Everything included to assemble the kit