Parental supervision is recommended.
This project is rated EASY to do. At one end tie a small knot, and turn inside out. Take a small handful of grass seed and shake it to the bottom where the knot is. Tie the nose with small rubber band and shape the nose the way you want it to be shaped. Pull a section out where his ear should go, and place another rubber band there, place another rubber band on the opposite side for the other ear.