Description: 【Innovative Design】: This DIY Keypad Keyboard Module set features a stringless optical electronic piano, offering a unique and approach to music-making without traditional keys 【Quality Material】: Constructed from quality PC, this Keys Button Keypad Module ensures longevity and resilience, making it suit for both beginners and experienced DIY enthusiasts 【Educational Experience】: Ideal for those interested in electronics and music technology, this External Keypad Module for offers an engaging on learning experience that combines creativity with technical skills 【Compact Size】: With dimensions of 8.9cmx6cm, this electronic piano part is compact and portable, allowing you to easily carry it around or fit it into small 【Complete Kit】: The package includes all necessary components for assembly, providing you with everything needed to build your own electronic piano from scratch Specification: Materials: PC Size Chart: 8.9cmx6cm/3.50inchx/2.36inch Package Includes: 1 set DIY Electronic Keyboard Module  (Option Unassembly or Assembly) Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!