DUO Museum of Illusions + Big Fun Museum

REVIEW · BARCELONA

DUO Museum of Illusions + Big Fun Museum

  • 4.032 reviews
  • 1 to 2 hours (approx.)
  • From $36.12
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Operated by BIG FUN MUSEUM · Bookable on Viator

Traveller rating 4.0 (32)Duration1 to 2 hours (approx.)Price from$36.12Operated byBIG FUN MUSEUMBook viaViator

Two museums, one easy ticket, lots of laughs. This DUO combo pairs Big Fun Museum on the Rambla with the Museum of Illusions, where you step into 3D scenes made for photos. I love how quickly it turns sightseeing into play, and I especially like the family-friendly mix of silly rooms plus a little adrenaline.

My other favorite part is the way the installations give you clear moments to react—flip the perspective in one space, then pose at the indicated spots in the next. The only thing to consider: Big Fun includes a terror/horror-style passage that can feel intense for very small kids, so I’d think about your child’s comfort level.

Key highlights at a glance

  • Big Fun Museum on the Rambla: themed rooms built for laughing, not just looking
  • Candy Museum + upside-down rooms: classic fun themes that are easy for kids to follow
  • Guinness Museum + ball pool rest area: a mix of quirky stops and a place to recharge
  • Museum of Illusions with 600+ meters of 3D scenes: built around the photo moment
  • Marked spots for the best “fall” illusion: you don’t have to guess where to stand
  • A terror/horror zone: fun for some kids, a bit much for others

Two fun stops on Barcelona’s Rambla

DUO Museum of Illusions + Big Fun Museum - Two fun stops on Barcelona’s Rambla
This is the kind of ticket that’s perfect when you want something different from the usual church-and-museum routine. In one outing, you get two very different vibes: playful, hands-on theming at Big Fun Museum, then picture-ready illusions at the Museum of Illusions.

Big Fun is set up like a long string of themed rooms. You’re not standing in one gallery watching facts; you’re moving through themed sets designed to make you react. The Museum of Illusions goes for a similar goal—turning you into part of the scene—but with 3D paintings and perspective tricks.

If you’re traveling with kids, or you just like light, silly activities between serious Barcelona sights, this pairing makes a lot of sense. It’s also simple to plan: the hours are consistent (daily from 11:00 AM to 9:00 PM), and it’s near public transportation.

You can also read our reviews of more museum experiences in Barcelona

Price and value for a two-museum ticket

At $36.12 per person for the DUO combo, the value comes from the format: you’re paying for access to two separate attractions in one package. Instead of budgeting time for one short activity, you get a full “arc” of fun—theme rooms first, then 3D illusion scenes.

Duration is listed as about 1 to 2 hours total, which means you should treat this as a “do it, don’t overthink it” outing. Big Fun’s listed duration alone can be around 2 hours, while the Illusion Museum is listed around 1 hour. So if you want to see everything slowly, plan extra time. If you’re aiming to move at a fun pace and keep momentum, this ticket likely hits the sweet spot.

Also, your booking includes the admission ticket. Cotton candy snacks are explicitly not included, so if you like that kind of treat, you’ll need to add it on your own.

How the timing works without feeling rushed

DUO Museum of Illusions + Big Fun Museum - How the timing works without feeling rushed
Because the total experience is described as about 1 to 2 hours, I’d plan like this:

Start with Big Fun Museum, then shift to the Museum of Illusions right after. That order matches the way the combo is set up, and it helps you avoid the “we’re tired of taking photos” problem.

Here’s the practical truth: Big Fun has multiple themed rooms, and it includes at least one area that can add a bit of adrenaline (more on that soon). The Illusion Museum is built around stepping into specific scenes and hitting marked positions. If you try to do both with maximum patience, you may stretch longer than the advertised total.

If you’re trying to fit this between other Barcelona plans, focus on the “big moments” in each place. In the Illusions museum, that means lining up at the indicated spots instead of wandering aimlessly. In Big Fun, it means moving room to room rather than lingering in just one.

Big Fun Museum: upside-down fun, candy, and a Guinness twist

DUO Museum of Illusions + Big Fun Museum - Big Fun Museum: upside-down fun, candy, and a Guinness twist
Big Fun Museum is designed for play. It’s on Barcelona’s Rambla, which makes it an easy add-on day activity if you’re already in the central tourist area.

The museum is built around themed spaces. Some highlights you’ll see include:

  • House of the i ante
  • Candy Museum
  • The House upside down
  • Guinness Museum
  • Ball pool (rest area)

What I like about this lineup is the variety. Candy and upside-down rooms give you instant “kid-friendly” fun. The Guinness-themed area adds something a little different from the usual gimmick-rooms. And the ball pool works as an actual break. It’s one of those details that matters when you’re with families, because it gives energy where people can rest without leaving the building.

One note: Big Fun includes a terror/horror-styled passage that some visitors find scary enough to create a little fear—then adrenaline. One review even mentioned it can be a bit intense for kids, but also that the thrill isn’t necessarily a bad thing if your child handles it. So if you’re traveling with a child who gets spooked easily, I’d treat that section like the “choose your level” moment. It’s okay to skip and come back later, or move through quickly.

The best way to enjoy Big Fun with kids

In Big Fun, the biggest win is keeping the flow. I’d set a simple rhythm for yourself:

  • Walk room to room for the first pass.
  • Then come back briefly if something grabs you.
  • Use the ball pool rest area when energy dips.

This is the kind of place where stopping to analyze the concept too long can kill the fun. It’s meant to be used, not studied.

Museum of Illusions: 600+ meters of 3D scenes that beg for photos

After Big Fun, the Museum of Illusions shifts your experience from themed rooms to perspective tricks. The concept is simple: you move through a long stretch of more than 600 meters of 3D illusion scenes, with paintings designed to make it look like you’re inside the picture.

The “wow” factor here comes from two details:

  1. The scenes are built around playful fantasy setups—so it’s not just one theme.
  2. The museum indicates the exact spot where you should stand to get the best effect, including the famous “fall” illusion.

You can expect to see scenarios that feel almost too specific to be real, like being next to political celebrities of the moment or being among FC Barcelona players celebrating a victory. Those kinds of references help the experience land, because the jokes are immediate even if you don’t spend time reading.

What you should do during the 3D scenes

Don’t overthink it. Follow the marked positions and let the setup work for you. If you try to freestyle in the wrong spot, the illusion usually won’t read well in a photo.

Also, treat this museum like a photo route. Go scene to scene, take your shots, and move on. The longer you linger hoping the perfect pose will happen, the faster it turns into stress.

If you like fun, quick creativity, this place delivers. If you’re not into photos at all, you can still enjoy it visually—but you’ll probably enjoy it more if you’re willing to play along.

Included entry tickets and what’s not included

Your DUO booking includes the admission ticket for the two museums. That means you’re not scrambling to figure out entry costs on the day, which matters when you’re trying to keep a tight travel schedule.

Not included: snacks like cotton candy. If you want that treat, you’ll need to buy it separately inside or nearby.

The practical takeaway: don’t build your budget assuming you’ll be eating during the visit. Build in a little extra spending if you like the sweet side of the experience.

Who this is best for (and who might want a rethink)

DUO Museum of Illusions + Big Fun Museum - Who this is best for (and who might want a rethink)
This combo shines for families. Big Fun is built for kids and includes playful spaces that help younger visitors stay engaged. One review specifically praised both museums as very fun for going with children, with the terror passage providing adrenaline for the kids.

It’s also a solid choice for:

  • couples who like light, non-serious activities
  • travelers who want something more active than a standard museum crawl
  • anyone who enjoys hands-on silly experiences and doesn’t need heavy context

Who might want a rethink:

  • very small kids who get scared easily, because the Big Fun horror/terror passage can be intense
  • travelers who strongly dislike photo-based attractions, since the Illusion Museum is designed around posed scenes and marked spots

If your group includes both “photo people” and “non-photo people,” you can still manage it: split the pace slightly. Let the photo lovers go straight scene-to-scene while others watch, then switch when the next marked spot is ready.

Practical tips for a smooth visit in central Barcelona

This is a central-area outing, and it helps to think logistics-light.

  • Use the daily hours: it runs Monday to Sunday, 11:00 AM–9:00 PM. That flexibility makes it easier to slot in around other plans.
  • Plan for walking: you’re moving between two museums, so keep comfortable shoes in mind.
  • Book ahead if you can: the experience is often booked about 20 days in advance on average. If your dates are firm, booking earlier usually protects you from last-minute availability issues.
  • Pace your group: with kids, the temptation is to stay too long in one room. Big Fun works better when you keep moving; the Illusion Museum works better when you hit the marked photo spots and then move along.

And one small mental tip: if you go in expecting a classic museum experience, you’ll be underwhelmed. If you go in expecting playful sets and photo tricks, you’ll likely have a great time.

Should you book DUO Museum of Illusions + Big Fun Museum?

If your trip needs a break from heavier sights, I think this is an easy yes. The value comes from doing two attractions in one go, and the experience is structured for quick fun: themed rooms first, then 3D illusion scenes built around the exact spot to stand.

I’d book it if:

  • you’re traveling with kids (especially school-age kids who can handle a horror-style moment)
  • you want a central, low-effort activity that still feels memorable
  • you like interactive photo moments

I’d skip or modify if:

  • your group includes very sensitive younger kids who may get frightened by the terror/horror passage at Big Fun
  • nobody in your party wants to do posed photo illusions

Bottom line: it’s practical, playful, and well suited to a “we need fun today” kind of Barcelona day.

FAQ

Where is this experience located?

It’s in Barcelona, Spain, with Big Fun Museum located on the Rambla.

How long does the DUO experience take?

The duration is listed as about 1 to 2 hours total.

What museums are included in the DUO ticket?

You get entry to Big Fun Museum and the Museum of Illusions.

What’s included in the price?

The booking includes an admission ticket.

Are snacks included?

No. Snacks like cotton candy are not included.

What are the opening hours?

The listed opening hours are Monday through Sunday, 11:00 AM to 9:00 PM.

Is it near public transportation?

Yes. It’s described as near public transportation.

Is it suitable for most travelers?

Yes. It says most travelers can participate.

Can I cancel for free?

Yes. Free cancellation is available up to 24 hours in advance of the experience start time for a full refund.

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