The Kano Pixel Kit is a digital display that you can build and program yourself.
It's mostly aimed at youngsters who are just getting interested in coding and technology.
Here is the kit and the parts that are to be assembled.
All the pieces snap together very easily
This is the display: a 16-by-8 grid of 128 RGB pixels.
The 128 LEDs can be programmed to display 16 million colours
Here is the fully assembled device.
Here it is with the LEDs responding to sound input.
The lightboard can be programmed to display text, games or data from other apps.