Download the alien template, print, and cut out the pieces you need.
Take the alien ship base and fold it in half along the dashed line. Cut along the spaceship, leaving the top portion uncut.
Create the inside of the spaceship by gluing the alien head to the middle of the top piece of the UFO.
Next, glue the card base to the bottom of the top piece of the ship.
Take the thrusters and glue them to the bottom and back part of the card base.
Open up the card and tell Mom she's "out of this world"!