Complete craft set : Includes all necessary components for assembly, providing hands on with electronic parts and soldering, perfect for beginners and hobbyists. Educational Value : Enhances basic soldering skills and electronic component assembly through practical project building, ideal for learning fundamental electronics. Music Spectrum Visualization : Features a sensitive microphone to analyze sound frequencies and display dynamic LED light patterns synchronized with music. Adjustable Sensitivity & Speed : Customize the display with adjustable refreshes rate, sound sensitivity, and sampling frequency for individualized visual effects. Compact & Portable Design : Measures 113x72x12mm with a sleek protective case, making it easy to integrate into any setup while ensuring durability.