- Stir up some spellbinding fun with this brick-built cauldron - Turn the stirring stick to reveal a secret potions classroom inside - It comes with Hermione Granger, Professor Snape and an Otter Patronus - Discover 1 of 14 collectible Hogwarts portraits tucked inside - Zoom, rotate and build together with the LEGO Builder app - Suitable for Harry Potter fans aged 10+