If you don't need to buy in bulk, you should buy combos or mixes (stones, colors, shapes, sizes ...) to have a variety of ...

Soft copper wire : 22 gauge ( wire diameter 0.6mm ) : 20 and 10cm ( 8 and 4 inch) for each wreath 20 gauge ( wire diameter 0.8mm ) : 4.5 cm ( about 1.8 inch) for each ear hook Beads : 4mm ( crystal ...