26 places on the list
Top 10: our best of the bunch
Ranked by our own favourites first, then by how families rate them on Google.
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Wonderlab at the Science MuseumMuseums & galleries · Central · All ages£15-£30★ 4.6 - 2
Young V&A (Bethnal Green Museum of Childhood)Museums & galleries · East · All agesFree★ 4.4 - 3
Tate BritainMuseums & galleries · Central · All agesFree★ 4.7 - 4
Natural History MuseumMuseums & galleries · Central · All agesFree★ 4.6 - 5
Science MuseumMuseums & galleries · Central · All agesFree★ 4.6 - 6
National Maritime MuseumMuseums & galleries · East · All agesUnder £5★ 4.6 - 7
Horniman Museum and GardensMuseums & galleries · South · Under 13Free★ 4.6 - 8
Mudlarks at the London Museum, DocklandsMuseums & galleries · East · Under 13Under £5★ 4.6 - 9
Postal Museum & Mail RailMuseums & galleries · Central · All ages£5-£15★ 4.6 - 10
London Transport MuseumMuseums & galleries · Central · Under 13£5-£15★ 4.4
Everything on this list
The Traitors: Live Experience
If your family - like mine - spent the winter shouting accusations at the TV screen, this live Covent Garden theatrical event lets you step right into the velvet-draped drama. Guided by deliciously West End actor hosts, you take your place around a giant physical Round Table before secret roles are assigned. You will compete in hands-on mental and physical team challenges to build a prize pot, interspersed with hushed corridor side-chats, backstabbing, and explosive banishment votes. It's never the ones you expect who'll win - even if that's your own son or daughter! Family-friendly afternoon slots cater specifically to kids aged 12 and up, making it an absolutely perfect day out for teenagers who love a good poker face.
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V&A Museum (South Kensington)
Not an obviously child-friendly museum, but a stunning collection of art, jewellery, performance and fashion, with giant statues, digital family backpacks and hands-on activity trails.
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Wellcome Collection
A quirky museum exploring medicine, health and human life through bizarre historical objects, art and a wonderfully comfy Reading Room.
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Tate Modern
Housed in a dramatic former power station on the Thames, this is one of the world's biggest modern art museums - and free to get into for the permanent collection, with tickets only needed for the big temporary shows. Kids gravitate to the vast, cathedral-like Turbine Hall, which regularly hosts huge, playful art installations perfect for running around in. Pick up a free drawing kit or sound-based family trail from the family desk at weekends, or join the daily free guided tours if the little ones can sit still that long. UNIQLO Tate Play runs family-friendly art activities every weekend, and there's a Baby Care Room if you're travelling with very young children. Cross via the Millennium Bridge from St Paul's for the most dramatic approach.
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MathsWorld London
Don't laugh - maths really can be fun and this really different and fun activity proves it! Tucked into a set of industrial railway arches just behind Tate Modern, this newly opened interactive space proves maths is far more than boring school worksheets. Spread across two floors, kids can scramble inside a giant soap bubble, face off against an AI chess master, test their logic on an elliptical pool table, and crack secret ciphers on the Codebreaker wall. It is brilliantly geared toward problem-solvers of all ages - there are definitely no textbooks here. And your day ticket turns into a 12-month annual pass, making it the ultimate South Bank rainy-day fallback whenever you are in the area. Keep in mind term-time weekdays often host school groups, so grab an afternoon slot or go on weekends for calmer vibes. The only disappointment we had were the loos: not brilliant!
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The British Library (Family Trails)
Book-loving kids will enjoy an hour here among the world's most famous manuscripts, from the Magna Carta to Leonardo da Vinci's notebooks and Beatles lyrics, mostly in one ground-floor exhibition hall. There are free weekend family workshops too.
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London Canal Museum & Boat Trip
Housed in a Victorian ice warehouse built for ice cream pioneer Carlo Gatti, this interactive museum lets kids sit inside a replica narrowboat cabin and learn how canal families lived. Try to book your visit to align with one of the museum's seasonal narrowboat trips through the 878-yard-long Islington Tunnel - it's a lovely ride. If not, walk outside to Battlebridge Basin to catch a public London Waterbus down the canal to Camden Market.
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Lightroom London
This four-storey immersive digital art space is a sensory feast - a purpose-built projection space in King's Cross with frequently-changing immersive shows from major artists and creative names - past programmes have included David Hockney's 60-year retrospective, Prehistoric Planet's life-sized dinosaurs, and a journey through David Bowie's world narrated by the man himself. Floor-to-ceiling laser projection and a powerful spatial sound system wrap around you as you wander freely through the space, with each show running on a loop of around 45-60 minutes so you can stay as long as you like. It's welcoming for children of all ages, and there's a St John-run café bar for snacks and drinks afterwards.
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Imperial War Museum (IWM London)
Fascinating history museum packed with real Spitfires, tanks and submarine models, plus great interactive family trails. A must for history or transport-loving kids.
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Harry Potter Platform 9 3/4 & Foundling Museum
Pair a pop-culture photo opp with rich London history. Start at King's Cross Station for the iconic Platform 9 ¾ luggage trolley photo and shop (there might be a queue but it moves fast). Then walk seven minutes south to the Foundling Museum, which tells the moving story of Britain's first home for abandoned children, founded in 1739 with support from artist William Hogarth and composer George Frideric Handel. The Granary Square fountains are nearby if it's a warm day - its 1,080 choreographed jets are a huge hit with younger kids in summer (bring a spare set of clothes). Coal Drops Yard next door has shops and food for older kids/teens who've outgrown splashing about.
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Museum of Illusions London
Rooms that tip you sideways, a vortex tunnel that scrambles your balance and a whole wall of holograms — an hour of proper "how did they do that?" fun just off Covent Garden. Endlessly photogenic, and small enough not to melt anyone down.
See detailsWonderlab at the Science Museum
A packed floor with experiments, interactive models, slides, and frequent presenter-led shows with fire, flashes and bangs.
See details★ 4.6Tate Britain
This art gallery on the Thames showcases five centuries of iconic British art, including the world's largest collection of works by Turner.. but you'll be here for the free, hands-on family play activities and children's explorer trail map you can pick up at the Clore Learning Centre.
See details★ 4.7Natural History Museum
A massive, world-class museum filled with dinosaur skeletons, minerals, and interactive natural science exhibits. Pack a lunch to eat on the East Lawn on nice days, and make sure to pre-book a free timed ticket online to skip the main queue.
See details★ 4.6Science Museum
Packed with hands-on space rockets, steam engines, and interactive technology zones. Head straight to the basement's Pattern Pod for toddlers or the Garden play area to burn off early energy before the crowds peak - older kids will enjoy Wonderlab (see separate listing) and Power Up (paid for).
See details★ 4.6
British Museum
Houses millions of historic artifacts, including ancient Egyptian mummies and the Rosetta Stone. Grab a free family activity trail map at the Information Desk in the Great Court to turn your visit into an engaging scavenger hunt. Book your (free) ticket online first, you'll probably still have to face a short queue but it moves quickly.
See details★ 4.2Postal Museum & Mail Rail
London's best rainy-day secret. Ride the Mail Rail — the world's first driverless electric railway — through the original tunnels 70 feet below the streets, which once whisked four million letters a day between Paddington and Whitechapel from 1927 to 2003. The 15-minute ride runs through open-top miniature carriages with audio-visual storytelling along the way, then it's up to the museum galleries for interactive exhibits spanning five centuries of postal history. The current family exhibition, The Jolly Postman, runs into January 2027, bringing the classic picture book to life through an interactive story world. There's also Sorted!, a separate-ticket play space for ages 1–8, if little ones need to burn energy after the ride. The museum and Mail Rail sit in two separate buildings across Phoenix Place from each other, so head to Mail Rail first and check in ahead of your printed time slot. Book online in advance — timed Mail Rail slots regularly sell out on weekends and school holidays.
See details★ 4.6Young V&A (Bethnal Green Museum of Childhood)
A museum completely redesigned for children, with interactive design, building toys, display cabinets of toys from parents' own childhood (way to feel old), performance spaces, and creative play zones. Large cafe on the ground floor and a temporary exhibit space as well as a large theatre area where kids can act.
See details★ 4.4
Grant Museum of Zoology
A 19th-century cabinet of curiosities packed floor to ceiling with over 68,000 animal specimens: a jar of preserved moles, dodo bones, a quagga skeleton and a brain collection. Weird, slightly spooky and compact enough to see in 45 minutes.
See details★ 4.8
London Mithraeum
An immersive underground archaeological site displaying the ruins of a Roman Temple of Mithras beneath Bloomberg's headquarters. Download their free interactive iPad guide on arrival - older kids can unlock the digital mysteries of ancient Roman London, younger ones will need to stay off the ancient ruins though!
See details★ 4.5Horniman Museum and Gardens
This eclectic museum in Forest Hill ostensibly covers natural history - the kids will love the musical instruments, aquarium, and famous overstuffed walrus. The huge gardens and animal walk are free, making it ideal for a low-cost family picnic with London skyline views. There is a fee to enter the aquarium and butterfly house.
See details★ 4.6National Maritime Museum
The world's largest maritime museum features boat displays, naval art, and a massive world map floor grids. But as a family, you need to head straight to the Ahoy! gallery (for ages 0–7) or AHOY! Children's Gallery for interactive pirate-themed ship play. Ever-changing exhibitions are often child-friendly too. Cove playground is fab too - there's a solid morning or afternoon to be spent here. Combine with a Greenwich wander round its parks, cafes and shops. Museum is free, play slots cost £4.50 on weekends plus school and bank holidays.
See details★ 4.6Mudlarks at the London Museum, Docklands
This London museum features a fantastic kids' area with water play, building blocks, and a climbing zone that's kept clean and tiny and packed with fun. It’s a great free indoor option that's perfect for toddlers up to kids aged 8 - you can find out what the docks were used for and what life would've been like for sailors many years ago, 'drive' a DLR train in the soft play area, move ships along the docks on the water play station and help the workers move their cargo using wheelbarrows. Sessions last 45m and cost from £4 - book ahead online. The rest of the (excellent) museum is free.
See details★ 4.6
RAF Museum, Hendon
This recently-updated museum is a must for airplane fans: its massive hangars are filled with real planes, chinooks, helicopters, and ride-on replicas; there's a new soft play area, a fun outdoor aviation-themed playground, simulators and more. There's a cafe so you can make a day of it. Free tickets can be booked ahead of time; there's scant local parking so you'll need to pay for the car park. Frequently-changed exhibitions are child-friendly and fascinating.
See details★ 4.8
Discover Children's Story Centre
One of my favourite London museums for under 7s, this imaginative centre includes indoor and outdoor playgrounds, storytelling rooms, exhibitions crafted around authors and books, and creative arts activities. It is wonderful for inspiring creativity in toddlers and younger children - I like to tire mine out with a morning here, then enjoy their buggy nap as I stroll around neighbouring Westfield. Discounts are available for Newham residents - everyone should remember to book a storytelling session while booking entry tickets.
See details★ 4.3London Transport Museum
This super-interactive museum lets children truly explore. It gets very busy (go early) but kids of all ages can experience what it's like to drive a train, learn about London's changing transport, go on old buses, follow an informative trail, get involved in workshops and more - it's an in-depth day out for kids who are obsessed with how things move. There's a cafe, and tickets are valid for a year so you can revisit as much as you like. It's in Covent Garden with lots of entertainers, shops and cafes to visit too.
See details★ 4.4