MMother's day did something similar for daisies and used craft foam and scrap booking embellishment flowers that they could mix and match that attached with a brad. (Oriental Trading Company has a kit for this and also sell the flowers )
30 Beautiful 3D Drawings - 3D Pencil Drawings and Art works
Cool and fun thing to do when you don't know what to draw. It's also a good way to come up with new designs.