HARRY POTTER Light Up Keyring V2. Officially licensed merchandise. A magically inspired keyring in the shape of a classic Hogwarts potion bottle, the keyring lights up, so you'll always have a bit of Potter magic in your pocket! A convenient keyring light as well as being the great piece of Harry Potter memorabilia, the potion bottle design features the iconic Hogwarts crest making it a perfect gift for fans of all things Potter. A perfect gift for a true Harry Potter fan.