Cubik is a prototype interactive sound sequencer built with Three.js and JavaScript, based on a 4×4 Rubik’s Cube. The 3D cube comprises 64 individual cubelets, with their positions, colours and active states defining rhythmic patterns and musical notes. Users can trigger sequences in real time and manipulate the cube to rearrange the composition, combining spatial interaction, generative sound and 3D visualisation in a browser-based experience.