You can change the number of beads, the size of the beads to make eyes or beans, or combine any way you want You can use any wire you have. Large diameter wire will be more difficult to manipulate ...
Full tutorial video link above the title materials I used : Soft copper wire : 26 gauge ( wire diameter 0.4mm ) : 50cm ( 25 inch) Beads : 4mm ( crystal abacus ), drop crystal 9 Things Plumbers Say ...