The British Library With Kids
Activity: The British Library. Tube Stop: King's Cross Cost: Free Hours: 9:30-8 pm (shorter hours Fri-Sun)
The British Library is right next to King's Cross (yes THAT King's Cross!). If you're a Harry Potter nut, find the little Harry Potter display with the luggage trolley. It's not actually between Platforms 9 and 10 (those are separated by tracks) but in the concourse next to The Harry Potter shop. There is always a line to get your picture taken here, so best to come before you visit the British Library instead of after. Note: if you are visiting HP studios, they have a bigger and better Platform 9 3/4 half trolley display there with no line.
The British Library has 25 MILLION books! That's more than any other library in the world. Make sure to watch someone call up an old book from the big glass library at the center of the building. There are a ton of famous old books, but my favorite thing here is all the Beatles stuff. When Queen Elizabeth visited, it's said that she lingered longest by The Beatles Display. They have lyrics to "A Hard Day's Night" scribbled on a napkin from a breakfast table. Apparently the guy who did the cleanup at the Abbey Road Studios saved every scrap of paper The Beatles ever wrote on as they were composing songs and then sold them years later for a million pounds a pop.