Moving MC under another MC

Hi

I doint understand how to move Children in As3.

I’ve a MC called mainClip with an instance child1 and child2.
In Child 1, there is another MC wich has the name “aniMC” wich is a clip with a animation inside.
I now want to move this aniMC (with its animation inside) to the child 2.

So, as I read here I have to first remove the clip and then addChild it.

But this doesnt work. My Code-Snipplet looks like this:

mainClip.child1.removeChild(mainClip.child1.aniMC);
var testMC = mainClip.child2.addChild(mainClip.child1.aniMC)

The strange things is, that testMC traces me a Object-Movieclip and has the name “aniMC”. But … its not visible. Alpha and visible are 1 and true. But I cant see it. Could it be that the Clip was added but not its content?

How do I have to such a task correctly?

Greetings from Germany