Instruct: Classify Amazon reviews into positive or negative sentiment
Query: PIECE OF JUNK

Simply put....Piece of junk. Don't waste your money. Mine was defective from the start. It couldn't fly forward and the controller worked intermittently then finally quit working after 2 days. Spend a few dollars more for a fully functional helicopter or go to radio shack and get the real thing. You will be much happier. Interesting conversional piece but nothing more unless you are lucky enough to receive a good working one.