Education case from customer:
Thimble - Making Future Engineers

Note: Unassembled price is 39.9USD, assembled price is 49.99USD.

Description:

This Cube was made by six 4x4 LED matrix board, LED light is WS2812B, although it’s a Cube, but you can control every LED light’s brightness on this Cube, no complicated circuit, no additional component, just GND/VCC/Single three port! That’s the most amazing thing here!

Demo code for arduino:

https://github.com/adafruit/Adafruit_NeoPixel

Product Pictures:

Datasheet for WS2818B:

WS2812B preliminaryV2.0.pdf

3D file download:

3D-file-2.stp