Question: cool things to do with a 2 liter bottle?
Answer: Blooming garden light. VIEW IN GALLERY. ...  Plastic bottle charging station. VIEW IN GALLERY. ...  Soda bottle birdhouse. VIEW IN GALLERY. ...  Instant mini greenhouse. VIEW IN GALLERY. ...  Soda bottle cat planter. ...  Painted bottle passive heating system. ...  Plastic bottle watering can. ...  Pop bottle sprinkler.