London’s weather may be unpredictable, but that doesn’t mean family fun has to stop! If you’re looking for the best indoor activities in London for kids 2025, you’ve come to the right place.
From hands-on science experiments to immersive adventures, this guide features the most exciting, creative, and educational indoor experiences that kids (and parents) will love — perfect for weekends, school holidays, or rainy days.
1. The Science Museum – Wonderlab & Beyond 🔬🚀
📍 Exhibition Road, South Kensington, London SW7 2DD
🚇 Closest Tube: South Kensington
💸 Free entry (Wonderlab: paid zone)
🔗 sciencemuseum.org.uk
When it comes to indoor activities in London for kids 2025, the Science Museum is an absolute classic. It’s free, fun, and endlessly fascinating for children of all ages.
The Wonderlab: The Equinor Gallery (ticketed area) lets kids experiment with fire, bubbles, and physics in action. Outside Wonderlab, families can explore rockets, space suits, and giant machines. There are also daily science shows and interactive experiments.
Lorenzo’s comment:
“The bubbles in Wonderlab were awesome! I made one so big it almost touched the ceiling!”
💡 Parent tip: Visit early on weekends — it fills up fast!
2. Bubble Planet – The Immersive Bubble World 🫧🌈
📍 Westfield London, Ariel Way, W12 7GF
🚇 Closest Tube: Shepherd’s Bush
💸 Tickets: From £16 (free for under 3s)
🔗 bubbleworldexperience.com
One of the trendiest new indoor activities in London for kids 2025, Bubble Planet takes families through an interactive world made entirely of bubbles — digital, real, and even massive foam ones!
Children can jump into bubble domes, dance under bubble storms, and enter futuristic rooms full of light projections. It’s visually stunning and perfect for photos.
Lorenzo’s comment:
“I felt like I was inside a bubble dream! My favourite part was when the giant bubbles surrounded me!”
💡 Parent tip: Wear bright colours — it makes the photos look amazing against the neon lights.
3. Twist Museum – The World of Optical Illusions 🌀👀
📍 248 Oxford Street, London W1C 1DH
🚇 Closest Tube: Oxford Circus
💸 Tickets: From £15 children / £19 adults
🔗 twistmuseum.com
If you’re looking for creative and mind-bending indoor activities in London for kids 2025, the Twist Museum is a must. Every room is designed to trick your eyes and challenge your senses.
Kids can walk on ceilings, stand upside down, shrink in size, or appear as giants — it’s part art, part science, and totally fun. The interactive installations encourage curiosity and imagination.
Lorenzo’s comment:
“I couldn’t stop laughing! In one room, my dad looked tiny, and I was super tall — it was so funny!”
💡 Parent tip: Visit in the morning — it’s quieter and perfect for taking great photos without crowds.

4. SEA LIFE London Aquarium 🐠🐧🌊
📍 County Hall, Westminster Bridge Road, London SE1 7PB
🚇 Closest Tube: Waterloo
💸 Tickets: From £29 adults / £25 children (cheaper online)
🔗 visitsealife.com/london
Right by the London Eye, the SEA LIFE Aquarium is one of the best indoor activities in London for kids 2025 for animal lovers. Kids can walk through a glass tunnel surrounded by sharks, meet penguins, and see clownfish, rays, and jellyfish up close.
The aquarium focuses on marine conservation and offers plenty of hands-on learning for curious young minds.
Lorenzo’s comment:
“I saw a shark swim right above my head! And the penguins were so funny — they looked like they were dancing!”
💡 Parent tip: Combine your visit with the London Dungeon next door for older kids or a ride on the London Eye for panoramic views.
5. London Transport Museum 🚇🚌
📍 Covent Garden Piazza, London WC2E 7BB
🚇 Closest Tube: Covent Garden
💸 Tickets: From £13.50 children / £22 adults
🔗 ltmuseum.co.uk
The London Transport Museum is one of those rare indoor activities in London for kids 2025 that’s both educational and a blast to explore. It’s full of real buses, trains, and trams kids can climb on, with games and exhibits explaining how transport works.
Younger children love the play zone where they can drive a toy bus, sell tickets, or dress as a Tube driver.
Lorenzo’s comment:
“I got to sit in an old red bus and press the buttons — I felt like a real driver!”
💡 Parent tip: Tickets for adults are valid for a full year — perfect for repeat visits.

6. Babylon Park – Indoor Galactic Fun 🎢🚀
📍 Camden Market, London NW1 8QL
🚇 Closest Tube: Camden Town
💸 Entry: Free (pay per ride or arcade credit)
🔗 babylonpark.com
Babylon Park is one of the most exciting new indoor activities in London for kids 2025, especially for thrill-seeking families. It’s a three-level indoor theme park with arcade games, mini rides, and glowing alien-themed décor.
You’ll find roller coasters, bumper cars, laser tag, and plenty of areas for younger kids too. The atmosphere is vibrant, futuristic, and completely weather-proof.
Lorenzo’s comment:
“I loved the spinning ride — it felt like I was flying in space! And the arcade games were so cool!”
💡 Parent tip: Go early on weekends — afternoons can get busy.
7. Museum of London Docklands – Mudlarks Gallery ⚓👶
📍 No.1 Warehouse, West India Quay, London E14 4AL
🚇 Closest Tube: Canary Wharf or West India Quay DLR
💸 Free entry (booking required for play area)
🔗 museumoflondon.org.uk
For younger children, the Museum of London Docklands offers one of the most engaging indoor activities in London for kids 2025. The Mudlarks Gallery is a sensory play zone where kids can dig, build, and explore in a safe, educational setting.
Parents will love the main museum’s family trails that bring London’s river history to life.
Lorenzo’s comment:
“I played with water and boats! It was fun to build bridges and see how the river works!”
💡 Parent tip: It’s one of the few free, fully indoor play experiences in central London — ideal for rainy days.
8. Paradox Museum London – A New Twist on Reality 🧩💡
📍 1 Piccadilly Circus, London W1J 0DA
🚇 Closest Tube: Piccadilly Circus
💸 Tickets: From £15 children / £22 adults
🔗 paradoxmuseum.com
A recent favourite among indoor activities in London for kids 2025, the Paradox Museum combines science, art, and creativity. Families can experience 70+ mind-bending exhibits that make you question what’s real.
Kids love the anti-gravity rooms, mirror illusions, and disappearing chair effects — it’s perfect for photos and family laughter.
Lorenzo’s comment:
“My brain couldn’t believe what my eyes saw! It was like being inside a magic trick!”
💡 Parent tip: Book tickets online — you’ll save about 20% and skip the queue.
9. Hamleys – The Ultimate Indoor Toy Adventure 🧸🎁
📍 188–196 Regent Street, London W1B 5BT
🚇 Closest Tube: Oxford Circus
💸 Free entry
🔗 hamleys.com
No list of indoor activities in London for kids 2025 is complete without Hamleys. With seven floors of toys, games, and live demonstrations, it’s a paradise for children.
Staff perform magic tricks, race cars, and show off new toys — turning shopping into a full family experience.
Lorenzo’s comment:
“I played with bubbles, LEGO, and magic slime — all in one place! It’s the best toy shop ever!”
💡 Parent tip: Go early morning or late evening to avoid crowds, especially on weekends.
Bonus: Indoor Swimming and Trampoline Parks 🏊♂️🤸♀️
If your kids love to move, don’t forget these sporty indoor activities in London for kids 2025:
- Flip Out London E6 – giant trampolines and ninja courses.
- Oxygen Acton – trampolines, foam pits, and slides.
- Swiss Cottage Leisure Centre – family swimming sessions.
- Better Leisure Centres – warm pools and splash zones across London.
Final Thoughts
Whether it’s raining, cold, or just time for an indoor adventure, London offers endless fun for families. These indoor activities in London for kids 2025 combine excitement, creativity, and learning — making every day out unforgettable.
🎥 Watch Lorenzo’s next video as he explores more of London’s coolest indoor experiences — from bubbles and illusions to underwater worlds and flying rides!
👉 Subscribe to Lorenzo Global Kid on YouTube to follow his adventures across London and beyond.