This intriguing starry form of the dodecahdron reveals the 5 cubes that it contains. It is interesting that each of the stars has a different sequence of colours.
The inner white form is an icosahedron. It is stellated by the black lines to form the outer dodeca.
A slightly smaller 75mm version of this model can be found
here
The same starcage form without the internal lines is available
here
It is also available as a gold plated pendant with an angel inside it
here