Destroy cube on collision

Hey guys could any of you help me with this? i want my cube to destroy after another cube touches it? here’s a little video explaining what i mean and what i’ve tried if you take a second to watch?alt text

The Video

use rigid colliders and write a small script saying that when gameObject Box1 is at the smae position as gameObject Box2 use destroy.gameObject command

in javascript that it :o

-Jordan