Today's deal is set to be a bubbling cauldron of spells and wizardry, so you'd better be prepared to choose wisely... We're offering you a three-hour Harry Potter tour of London or Edinburgh for one person for £9, or for two people for £17. Alternatively, enjoy a Harry Potter tour of Oxford for one person for £12, or for two people for £22, saving you up to 55% off Celebrity Planet's prices. Muggles with a passion for all things Potter would be mad to miss today's magical deal! Opt for a London, Edinburgh or Oxford tour and see all the magical sites from your favourite Harry Potter blockbusters - Londoners will travel to the iconic Platform 9¾ and the entrance to the Ministry of Magic; Oxonians will see the Hogwarts' infirmary and Great Hall; and Edinburghians can visit Voldemort's burial ground, the original Diagon Alley and soak up the city that inspired the books. This spell-binding tour departs from Leicester Square (London) Oxford Town Hall (Oxford) and Princes Street (Edinburgh) at the following times:

• London: Wed-Sat at 12pm; Sun at 10:30am
• Oxford: Sat at 12pm
• Edinburgh: Sat-Sun at 12pm