He was very inspired and made this.
It was supposed to be a tank. But I think we can all agree it does not look anything like one, right? So young humanoid came up with this:
Young humanoid liked this one a lot better. It could move, rotate its turret, and fire rubber bands. The yellow brick on top, which was the inteligent brick of an older version of NXT, controlled the gun. That brick was programmed to fire the gun when its light sensor saw light, which the NXT provided via its light sensor. The whole thing was controlled via a second NXT in the form of a joystick.