Bundle of 4 fashion fashion rings, brass, crystal, cz, approx size 8, see pics

blue/silver crystal brass ring, looks like a few crystals missing. bought in AUS. pink/black/silver crystal ring zebra stripe, brass, a few crystals missing. bought in AUS. multi color cz crossover ring, no metal markings but doesn't tarnish, all stones intact. bought from Kohl's citrine/silver cz cocktail ring, no metal marking but doesn't tarnish, all stones intact. bought from Kohl's all rings have some weight to them, need a good cleaning. repairable for people with patience. not me.