Reviewed · MUSEUMS
DUO Museum of Illusions + Big Fun Museum
The DUO Museum experience turns Barcelona sightseeing into a photo-friendly hour or two of playful surprises. At Big Fun Museum, you move through themed rooms with candy displays, an upside-down house, Guinness-themed exhibits, and a ball pool. The Museum of Illusions adds more than 600 square meters of 3D paintings designed to make you look part of each scene.
I like the variety, since one ticket combines two different attractions. I also like the family appeal, especially the easy visual humor and hands-on photo opportunities. The main drawback is that this is not a traditional museum, and the published timing is a little unclear: the overall experience is described as about one to two hours, while the two stops are listed as two hours and one hour.
Key points to know before you go
- Two playful museums on La Rambla: You can visit Big Fun Museum and the Museum of Illusions in one outing.
- Five themed areas at Big Fun: Expect a candy room, an upside-down house, Guinness exhibits, a ball pool, and another oddly named house listed in the program.
- A separate horror passage: The scary area can add a little adrenaline, but younger children may find it frightening.
- More than 600 square meters of 3D art: The Museum of Illusions is built around staged scenes and marked photo points.
- Good for families and friends: The attraction is designed for shared photos, jokes, and short bursts of entertainment.
- Flexible cancellation: You can receive a full refund if you cancel at least 24 hours before the start time.
Two playful stops in the heart of Barcelona
This experience works best as a break from Barcelona’s churches, galleries, and historic streets. You are not coming here for paintings by famous masters or a serious look at Catalan culture. You are coming to step into strange rooms, pose beside optical illusions, and laugh at pictures that make ordinary scenes look impossible.
The two museums are in the central La Rambla area, so the location is useful if you are already sightseeing nearby. Public transportation is close, and the opening hours run daily from 11:00 a.m. to 9:00 p.m. That broad schedule gives you room to fit the visit around lunch, shopping, or an evening walk.
I would treat the attraction as a casual city activity rather than a fixed guided tour. No guide names or guided commentary are provided, and the experience is based on moving through the rooms at your own pace.
More Barcelona Museums and Galleries:
- Barcelona: FC Barcelona Museum “Barça Immersive Tour” Ticket
★ 4.4 · 10,944 reviews - Barcelona: Park Güell and Gaudí House Museum Entry Ticket
★ 4.5 · 6,326 reviews - Barcelona: Picasso Museum Skip-the-Line Guided Tour
★ 4.5 · 3,355 reviews
Big Fun Museum: five rooms with very different moods

Big Fun Museum is the larger and more varied of the two stops. Its program lists five themed areas, each built around a simple visual idea. You move from one setting to another, taking pictures and trying to work out the best angle for each scene.
The listed rooms include the Candy Museum, where sweet-themed displays create a bright backdrop for photos. This area should appeal to children and anyone who likes colorful, oversized settings. It is less about learning how candy is made and more about stepping into a cheerful fantasy world.
The House upside down changes the usual rules of a room. Floors, ceilings, and furniture are arranged to make your pictures look as if gravity has taken a holiday. These displays work best when you follow the suggested standing points and frame the image carefully.
A Guinness Museum area is also included. The supplied information does not specify which records or exhibits appear there, so I would not book this expecting a full record-breaking museum. Think of it as another themed photo room within the wider attraction.
The program also names a room as The House of the i ante. The wording is unusual, and no further description is provided, so you should expect another visual theme rather than a clearly explained historical exhibit.
Finally, there is a ball pool rest area. This gives the visit a more physical, child-friendly finish and provides a place to pause between rooms. It is a small detail, but it helps make Big Fun feel designed for families rather than only for adults posing in front of walls.
The horror passage deserves a warning

A horror passage is mentioned in the material about Big Fun, and it changes the tone of the visit. The attraction is not only candy colors and funny pictures. You may also encounter a darker, spooky section intended to add a little suspense.
That contrast can be fun for older children, teenagers, and adults. It may not work for every child, though. One family-oriented comment specifically noted that the horror passage could frighten younger children, even while describing the overall visit as enjoyable for families.
I would handle this simply: tell children in advance that a scary area may be part of the experience. If someone in your group dislikes horror, stay alert for signs or staff directions and do not assume every room will be gentle and cheerful.
Museum of Illusions: step into the picture
The second stop focuses more tightly on optical illusion art. It contains more than 600 square meters of paintings with 3D effects, creating scenes that ask you to pose as part of the artwork.
The examples are deliberately familiar and playful. You might appear to be in a bathroom beside current political celebrities, or pose with FC Barcelona players celebrating a victory. The point is not to admire the paintings from a distance. You stand at the marked spot, use the suggested angle, and let the camera create the illusion.
That marking system matters. The attraction indicates the exact point where you can take the picture, which saves you from guessing how to make the scene work. If you are visiting with children, this turns the stop into a group activity: one person poses, another takes the picture, and then you switch places.
The Museum of Illusions is likely the more rewarding stop for adults who want memorable photos without a long explanation. It also gives couples and friends more ways to play along. You are not simply walking past displays. You are asked to become part of them.
Still, expectations matter. This is a collection of staged visual effects, not a scientific museum with detailed lessons about perception. The value comes from the shared experience and the pictures you create, not from a large body of educational content.
A different sort of day out in Barcelona:
- Barcelona: Park Güell Admission Ticket
★ 4.4 · 76,534 reviews - Barcelona: Casa Batlló Entry with Self-Audioguide Tour
★ 4.7 · 25,359 reviews - Barcelona: 24 or 48-Hour Hop-On Hop-Off Bus Tour
★ 4.4 · 20,872 reviews - Barcelona: Park Guell Guided Tour with Skip The Line Entry
★ 4.7 · 17,563 reviews
How long should you allow?

The timing needs a little common sense. The overall experience is described as approximately one to two hours, but the individual stops are listed as two hours for Big Fun Museum and one hour for the Museum of Illusions.
Those figures do not fit neatly together. Your actual visit will depend on how long you spend taking pictures, how busy the rooms are, and whether you pause in the ball pool area. If you move quickly, you may finish closer to the shorter estimate. If your group enjoys posing in every room, you will need more time.
I would avoid scheduling a train, meal, or timed attraction immediately afterward. The official information also says the experience lasts about one to two hours, so use that as your practical planning guide, while allowing extra flexibility if your group takes lots of photos.
The opening window, 11:00 a.m. to 9:00 p.m. every day, is more useful than a narrow appointment time. You can visit during the afternoon heat, fit it into a rainy-day plan, or stop in after other La Rambla sights.
Is $36.12 a fair price?
At $36.12 per person, this is not a bargain basement attraction. The price makes more sense if you plan to visit both museums and use them as a shared family or group activity.
You are paying for two separate themed experiences in one central location. Big Fun provides the wider mix, with candy, upside-down rooms, Guinness displays, a ball pool, and the horror passage. The Museum of Illusions then gives you another collection of 3D photo scenes.
The value is strongest for groups that will actually take part. If you dislike posing for photos or prefer traditional museums, you may find the ticket expensive for a short visit. If you are traveling with children, friends, or a partner and want something light after several serious sightseeing stops, the same price may feel more reasonable.
Snacks are not included, and cotton candy is specifically listed as an extra. That is a minor cost detail, but it is useful to know if you are traveling with children who see the sweet treats before you do. Admission is included; food purchases are not.
The attraction has an overall rating of 3.9 from 32 reviews. That suggests a generally positive but not universally enthusiastic response. I would read the number as a sign that the experience works well for the right audience, rather than as a must-see Barcelona landmark for everyone.
Who will enjoy this most?
I would recommend the DUO experience to families looking for a break from museums that require quiet attention. The visual rooms are easy to understand, and the photos give children something active to do. The ball pool adds another child-friendly feature, while the horror passage provides a separate bit of excitement for those who enjoy it.
Couples and groups of friends can also have a good time here. The scenes encourage you to take turns posing, and the Museum of Illusions gives you plenty of excuses to make silly pictures. It is the sort of stop that can produce a small set of memorable holiday photos without requiring a full day.
I would be more cautious about recommending it to solo visitors. You can still enjoy the displays, but many of the scenes are designed for someone else to take your picture. The same issue applies to anyone seeking a quiet art visit or serious cultural context.
The experience is also suitable for most people according to the supplied participation information. It is near public transportation, which makes it easy to add to a central Barcelona itinerary.
Practical advice for a smoother visit

Bring a phone with enough battery and storage for photos. The attractions are built around visual scenes, and you will get more from them if you can take your time rather than rushing to preserve battery power.
Wear something you are comfortable moving around in. The attraction includes a ball pool and rooms designed for posing, so a little freedom of movement is more useful than formal clothing.
Plan the visit around your energy level. Since both museums are on La Rambla, you can place them between other central stops instead of making a special cross-city trip. The daily 11:00 a.m. to 9:00 p.m. hours leave plenty of room for that approach.
If you are traveling with children, explain the basic idea before entering. Some rooms are sweet and funny, some are upside down, some use optical tricks, and one area may be scary. Knowing this in advance helps children choose how boldly they want to take part.
Also, remember that this is a photo experience. Take a few pictures, but do not let the camera turn every room into a rushed checklist. The fun comes from trying different poses and laughing at the result.
Cancellation and booking details
Confirmation is provided at the time of booking. You can cancel for a full refund up to 24 hours before the experience begins.
If you cancel less than 24 hours before the start time, you will not receive a refund. Changes made inside that 24-hour window are also not accepted, and the cut-off is based on Barcelona local time.
The experience is often booked around 20 days ahead. That does not guarantee that you need to book that early, but it does suggest that planning ahead can be sensible during a busy Barcelona visit.
Should you book the DUO Museum experience?
Book it if you want a cheerful, highly visual activity close to central Barcelona. I especially recommend it for families, couples, and friends who will enjoy taking turns in the scenes. The combination of Big Fun’s themed rooms and the Museum of Illusions’ 3D paintings gives you more variety than visiting a single small photo attraction.
Think twice if you want serious art, history, or a calm museum visit. The price is easier to justify when everyone in your group will participate, take photos, and enjoy the playful mood.
For the right audience, this is a useful change of pace on La Rambla. Just warn younger children about the horror passage, allow flexible timing, and remember that cotton candy and other snacks cost extra.
FAQ
Where is the DUO Museum experience located?
It is located in Barcelona, Spain, in the heart of the city on La Rambla.
What does the ticket include?
The ticket includes admission to Big Fun Museum and the Museum of Illusions.
How much does the experience cost?
The listed price is $36.12 per person.
How long does the experience take?
The overall experience is listed as approximately one to two hours. Big Fun Museum is listed as two hours, and the Museum of Illusions is listed as one hour, so the timing descriptions are not fully consistent.
What are the opening hours?
The museums are open Monday through Sunday from 11:00 a.m. to 9:00 p.m.
What can you see at Big Fun Museum?
The listed themed areas include the House of the i ante, Candy Museum, House upside down, Guinness Museum, and a ball pool rest area.
Does Big Fun Museum include a scary area?
Yes. A horror passage is mentioned as part of Big Fun Museum. It may frighten younger children.
What is inside the Museum of Illusions?
The Museum of Illusions has more than 600 square meters of paintings with 3D effects. The scenes include photo setups involving political celebrities and FC Barcelona players.
Are snacks included?
No. Snacks and cotton candy are not included in the admission.
Can I cancel for a full refund?
Yes. You can cancel for a full refund if you cancel at least 24 hours before the experience start time.
Recently added around Barcelona
- Montserrat very early : Hiking, Abbey, very small group★ 5.0 · 127 reviews
- Guided Private Yacht Tour in Barcelona Spain★ 5.0 · 6 reviews
- Private Tour from Barcelona to Montserrat (with guide)★ 4.5 · 6 reviews
- Private Tour from Barcelona to Costa Brava (with guide)★ 5.0 · 5 reviews
- Andorra Tour★ 4.0 · 7 reviews
- Barcelona Gaudi Tour: Sagrada Familia, Casa Batllo & Casa Mila★ 5.0 · 4 reviews
- Street Art, Sculptures & Crime Stories Walking Tour – Barcelona★ 5.0 · 11 reviews
- Wine Tasting in Barcelona (Catalan Varieties) Small Groups★ 5.0 · 10 reviews
Museums, compared.

FC Barcelona Museum “Barça Immersive Tour” Ticket
Read our review →
Park Güell and Gaudí House Museum Entry Ticket
Read our review →
Girona & Dali Museum Small Group Tour with Pick-up from Barcelona
Read our review →
Dali Museum, House & Cadaques Small Group Tour from Barcelona
Read our review →Browse the lists this tour appears in




