Plastic bottle craft is a nice way to recycle plastic bottles. Here is a nice tutorial on how to make a nice flower from plastic bottles.
Flowers from the plastic bottles with their hands… Recycled
Japanese hair accessory Kanzashi by SAKAE -See the nail polish flowers pin.
MOST AMAZING plastic bottle recycled flowers I've found get, assistant sure had instructions. but in Russian.
Plastic bottle flowers and leaves
Plastic Bottle Flowers: melt w/ candle