Tableau of Circles Magnet

I have 9 different designs on Zazzle featuring circles. Some emphasise concentric rings; others emphasise the radial lines to draw the eye into the middle. All are from the same area of the Mandelbrot Set but coloured differently. Here are 6 of those designs laid out together to create a tableau. Like all my designs, it is available on each kind of merchandise. Some products only fit 6 of the circles; others fit all 9. All of them show off this tableau in appropriate ways. All you have to now is choose...