To have the best resources for this project, get your name on the mailing lists for some vegetable/fruit seed catalogs and some flower seed catalogs. You can also use floral scrapbooking paper clip magazine pictures, but you need a lot so I don't recommend this. Depending on what age you are doing this lesson for you may want to pre cut some flowers and fruits and vegetables.
pictures of flowers
pictures of fruits and vegetables
head pattern piece cut out of poster board
1/4 sheet poster board for each child
1/4 sheet black poster board for each child or black acrylic paint
I have the kids trace my pattern piece of the head onto their poster board. Then they draw in the lips, eyebrow, and eye with pencil, and paint these in with watercolors. Then I have them outline the head and facial features with sharpie.Next they paint the space around the heads with black acrylic paint. (or leave this white, see last step)
Next step is to decide whether they are doing a man or woman and a fruit/vegetable face or a flower face.
Then they need to choose their pictures-getting different sizes and types.
They mod podge them onto the head going around the facial features. You can either leave the heads on the same paper or have the students cut around the heads and glue, using rubber cement to a black piece of poster board.