Now, punch your own design on the paper, cover it on CD.

And spray on your old cd.

Opositely, colored flowers design,

but background or shiny side of the CD still shows rainbow colors when light falls on.

 The last one is very easy.

Only use permanent pen draw the line of your favorite design on shiny side of old CD. 

 Paint the background and space the shiny rainbow color design !!

Put the finished CD art on the wall to decorate,

or add a clock mechanism through the hole in the middle, 

and use hot glue stuck  to the back of the cd.