Are all Fushigi balls unblanced?

I just recieved a fushigi for christmas, and i watched the DVD and it looks like the guys ball is centered. It's a steel ball inside an Acrylic one. Well my steel one is to one side, not centered. Has anyone had the same problem?|||Mine is off centered too. I just got mine today also. But it doesnt make a difference to me! Its workst the same!!|||yes they are