side of the hexagon and pull the thread all the way through. then thread enough beads so that they are the length of the side and poke your needle through the other corner.
now, to secure the beads, 'anchor' them to the fabric by poking your needle right beside the string of beads, and poking it to the other side (this is much clearer in the image). add about two anchors to each string of beads to secure them firmly.
ps. try not too add more beads than the length of the side as this will cause the beads to warp and look less neat.
for the head and the body i used 