Pick a marshmallow and make a face. 1 key to make it smaller and 2 key to make it bigger for the circle. 3 key to make it smaller and 4 key to make it bigger for the triangle. 5 key to make it smaller and 6 key to make it bigger for the straight line. 7 key to make it smaller and 8 key to make it bigger for the straight line. Space key to duplicate.