The NE555 Electronic Piano DIY Kit offers a unique and interactive way to explore music. By assembling the kit yourself, you not only gain a deeper understanding of the circuitry involved but also have the opportunity to the piano to your liking. The NE555 IC is connected as an oscillator, and the frequency of the oscillation is determined by resistance values of the circuit. This allows for a wide range of musical tones to be produced by pressing different keys on the piano. Features -Color:Multi -Material:Plastic -Size:13.50X2.10X0.10cm/5.31X0.83X0.04in - The material is safe and light, which is wear resistance and practical for the lasting time use. - Funny, use the Electronic Components to explore electronics, music, and DIY projects. - The connection that was clearly and labeled on the board makes it easy to assemble. - You can through each step of the process, from soldering to DIY the electronic piano electronic organ. - This DIY material help you develop understanding of basic mechanical and electronic principles. Package list: 1 x set of electronic organ soldering material