Being stuck at home due to a worldwide pandemic can feel scary, claustrophobic, and overall "un-magical." Lucky for us, Harry Potter author J.K. Rowling has announced a new online service for any wizard of any age in need of a particular pick-me-up potion: "Harry Potter at Home." In a tweet, Rowling said that "parents, teachers and carers working to keep children amused and interested while we’re on lockdown might need a bit of magic." How will Harry Potter at Home cast this spell? By offering "special activity kits from Bloomsbury to Scholastic, to nifty magical …