The fragment, represent all EU nations, emphasize the motion both joining and explode. That make logo look collecting element onto the one, in the same time seem to be a festive figure like firework or the fragment pop out of the ball.

I use color to represent the meaning. Then compose the elements to emphasize the motion as mentioned above.

The simpleness of concept while it can be read in multiple ways.

i have read the guideline and every element in the logo is my original work.