you take two colors of sculpey/ fimo clay. Yellow and black. take yellow and roll it into a ball.
Set that aside. then take the black clay and roll four skinny, short lines like in the picture.
apply the black crisscross clay to the yellow ball as the eyes and then make a single line for the smile or sneer. what ever your heart desires
lastly stick a skewer through the center of the bead and bake with the instructions on the packaging.