Color machine

I am inspired by this thing(http://blog.arduino.cc/2014/04/09/teach-kids-how-colors-are-made-with-the-color-machine/) on Arduino blog.
This is made by following.
JY-MCU 5050 full-color LED x 3
1602 LCD screen x 1
WH148 10k ohm potentiometer x 3
YouTube : http://youtu.be/TnJfod2aepE