Hermione had gotten him a large box of chocolate frogs which was good because he had gotten her a box of sweets as well. Same thing he had gotten Ron. That brought him to his final parcel. Harry picked it up and felt it. It was very light. He unwrapped it. Something fluid and silvery grey went slithering to the floor. Ron gasped. "I've heard of those," he said in a hushed voice, dropping the box of every flavoured beans got from Hermione. " If that's what I think it is, they're really rare and really valuable."