London

Here's a suggested itinerary for 9 days in London that is kid-friendly and includes train travel:

Day 1: Arrival and Exploration

• Arrive in London and check into your hotel.
• Take a stroll around the city center to get a feel for the city. You can visit Trafalgar Square, Leicester Square, and Covent Garden.
• In the evening, head to the West End to catch a family-friendly show.

Day 2: Tower of London and River Cruise

• Start your day at the Tower of London, where you can see the Crown Jewels and learn about the history of the tower.
• Afterward, take a river cruise along the Thames to see some of London's most iconic landmarks, such as the Houses of Parliament, Big Ben, and the London Eye.

Day 3: British Museum and Camden Market

• Spend the morning at the British Museum, which has an impressive collection of artifacts from around the world.
• In the afternoon, head to Camden Market, where you can browse through unique shops and enjoy street food from around the world.

Day 4: Harry Potter Studio Tour

• Take a train to the Harry Potter Studio Tour, where you can see the sets, costumes, and props from the Harry Potter movies.
• Return to London in the evening and have dinner at one of the many family-friendly restaurants in the city.

Day 5: Science Museum and Natural History Museum

• Spend the day exploring the Science Museum and the Natural History Museum, both of which are free and offer interactive exhibits that kids will love.

Day 6: Buckingham Palace and Hyde Park

• Start your day at Buckingham Palace, where you can watch the Changing of the Guard ceremony.
• Afterward, head to Hyde Park, where you can rent bikes or boats and enjoy the beautiful scenery.

Day 7: Greenwich and Cutty Sark

• Take a train to Greenwich, where you can visit the Cutty Sark, a historic ship that has been restored and turned into a museum.
• Afterward, explore the Royal Observatory and enjoy the views of London from the top of the hill.

Day 8: London Zoo and Camden Lock

• Spend the morning at the London Zoo, which has over 750 species of animals.
• In the afternoon, head back to Camden and explore the Camden Lock Market, which has unique shops and street food stalls.

Day 9: Departure

• On your last day in London, take some time to do any last-minute shopping or sightseeing before heading to the airport or train station for your departure.

I hope this itinerary helps you plan your trip to London!