
Science and Industry Museum
Working steam engines, the story of Cottonopolis, and hands-on galleries in the world's oldest surviving passenger railway station. Free, and the live demonstrations are the bit kids actually remember.
Manchester, Greater Manchester

Park at the end of Manchester Airport's runway and watch the heavy jets leave the ground close enough to feel it in your chest. Concorde sits by the fence, tourable on booked slots, and a play area fills the gaps between departures.
Free in, pay for parking. Aviation-minded children will stay all day; everyone else gets a solid couple of hours and a very good story.
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