The Whatever You Want Gun

First the classic step: The Pieces

Take the already made gun, and add the circular block, studs down, to the gun.

It should look like this.

Next, take the transparent dark blue disk, and place it stud down.

Now it should look like this.

Now take the black lego head, and place the top onto the showing underside of the disk.

Should look like this

Take the round 1 piece and attach it to the head

Now enjoy the wealth of the... wait, this is the fun part, What will the gun be? An anti-gravity blaster? A canyon creating creatortron thingy? Comment below on if you made, and what gun you made it to be. Enjoy!