"Poshun," Harry answered. He used the toy knife to chop up the plush mystery potion ingredient, then swept it into his wooden cauldron. The toddler potions kit couldn’t make real potions, but each plush "ingredient’ reacted differently when paired with the correct toy tool. The cauldron combined the "ingredients’ and made a different colour large plush, depending on what "ingredients’ had been put in the cauldron. The large plush could be separated by the toy vials. Then when the "vials’ were all poured out into a pile, after twenty-four hours the magic was reversed, and the "ingredients’ returned to their original state.