How to dynamicly move a layer? i need layers to appear above

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Hi all i have a 3d square box on my Stage, I have it animated so when you click a number the cubic section moves up using a tween, now their are 4 of these tweens and when i want to click say number 4 it will move behind all of the other images and i dont want it too, i am sure their is a way, but does anyone know how to make it appear above all other layers?? thanks in advance