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Press-to-Stir Magic: This self-stirring mug for adults transforms your Harry Potter cups collection with one-touch mixing that swirls coffee, tea, or cocoa without a spoon for effortless mornings Cauldron Design: Shaped like a wizard's potion vessel, this cauldron mug brings Harry Potter potions charm to your desk or kitchen, whilst the included lid keeps your beverages warm for longer Official Merchandise: Genuine Harry Potter gifts for adults, men, and women who appreciate functional collectables, this piece works brilliantly as a daily-use mug or display item in any fan's home Battery Powered: Operates on 2 AAA batteries (sold separately) to deliver reliable stirring action whenever you need it, giving you cordless convenience for mixing drinks anywhere in your home Hand Wash Care: Keep your Harry Potter homeware gifts looking sharp by washing gently by hand, avoiding dishwashers, microwaves, and submersion to maintain the stirring mechanism for years