Portalibros reciclando botellas de plástico / Via ideekiare.
DIY Flower Key Chains from Plastic Bottle Instead of using a key ring, make a larger flower to hang from and secure pin behind it
Terrarium in a recycled plastic bottle.
DIY: Plastic Bottle Owl Vase - you never know, I might get bored around a bunch of empty plastic bottles.
37 great ideas to recycle plastic bottles!