The Magic Piano AMK81 is a mechanical 3D wooden puzzle designed for adults, combining a piano model with a functional music box mechanism. This kit consists of 223 laser-cut wooden pieces, offering a challenging build for puzzle enthusiasts. Once assembled, it measures 5"×6.7"×5.5" and features a self-playing mechanism with moving keys that simulate piano playing. The music box operates without batteries, using a clockwork mechanism activated by turning a handle to play melodies. Suitable as a decorative piece for homes, offices, or cafes, it also serves as a gift option for occasions like birthdays or holidays. The design appeals to both music lovers and those who enjoy intricate model building.