The kalimba thumb piano keys kit is made of alloy material, ensuring durability and excellent sound quality. The keys are engraved with musical notes, making it easy for players to locate the right keys quickly. Designed for beginners and professionals, allowing to install effortlessly. Features -Color:Silver -Material:Alloy -Size:7.10X0.50X0.30cm/2.79X0.20X0.12in -The alloy material used in the thumb piano keys kit is strong, ensuring durability and sound quality. -Thumb piano keys are engraved with musical notes, making it easy to identify the key being played. -Kalimba 10 key accessories, the assembly and installation process is easy and portable. -The thumb piano accessories have a compact and lightweight design, making them easy to carry around. -Assemble your own thumb piano, easy to install and , great to create clear and melodious sounds. Package list: 1 x Set of Kalimba Accessories