The L3D cube

1 Standard cubes measure about 8 cu. in. and contain 512 LED bulbs, working with a built-in processor

2 Users download apps (some created by other users) to enable various light displays, such as a 3-D game of snake or a fireworks display

3 Other apps sync with music in real time, allowing users to visualize beats in 3-D; colors too can change in tandem with volume