Somewhere between art and mischief. Big Fun Museum is a playful illusions attraction on Las Ramblas with themed rooms built for photos—especially the Upside Down House and the 3D-style perspective rooms. I like that it’s set up for all ages, not just Instagram hunters, and it’s easy to repeat when they refresh the themed areas. One possible drawback: there’s a room that’s described as scary, so it may not be a great fit for very young kids who scare easily.

You’ll walk into a “gallery of fun” that moves fast: giant props make you feel small, mirrors warp your sense of space, and interactive sets turn you into part of the picture. The big practical win for your day is location—central, recognizable, and simple to pair with a stroll along Las Ramblas. For $28, you get general admission for a 1-day visit, but if you want the Museum of Illusions too, you’ll need the upgraded option (and it has a different entrance).

Plan on spending enough time to do it your way. If you’re the type who likes to slow down, retake photos, and actually explore each themed room, you’ll have a better time than if you race through everything.

Key highlights I’d bet on

• Upside Down House: a full-room setting that makes posing feel effortless
• 3D perspective rooms: fun tricks that play with scale and depth
• Giant’s House: props that make you look tiny without trying
• Photo-friendly themed areas: built for sharing on your phone
• Updated experiences: thematic rooms get refreshed, so returning can still feel new
• A potentially intense room: Museum of Madness is described as terrifying

Where Big Fun Museum Fits on a Las Ramblas Day

Big Fun Museum is on Rambla de Sant Josep, near Las Ramblas, at Rambla de Sant Josep, 88–94, 08002 Barcelona. The ticket starts at the museum entrance there, and the experience ends back at the same meeting point. That means you can treat this like an easy “stop and play” between meals and walking.

Why this location matters: Las Ramblas is one of those places where you can lose time just crossing from one sight to the next. This ticket gives you a clear anchor point. I like pairing it with a relaxed walk down the boulevard, then using the museum as your indoor break when the sun or crowds get annoying.

Also notice the design of the experience: it’s not one long guided session. It’s more like a set of themed stations you can explore in your own rhythm. That’s a big plus if your group has different energy levels—someone can chase photos while someone else enjoys the props and rooms.

Ticket Value: What Your $28 General Admission Really Covers

Your Big Fun Museum ticket is general admission, priced at about $28 per person (check live availability for the exact starting times). It’s valid for 1 day, which is handy in Barcelona where your schedule can shift depending on weather.

Here’s the value angle I’d focus on: the museum isn’t a single exhibit. It’s multiple mini-museums inside one place—about nine themed areas—so you’re paying for variety, not one attraction that ends quickly. And the museum notes that themed rooms get updated, which helps if you’re staying in the city a few days and want to come back without feeling like you already “checked a box.”

Two practical notes that affect how you plan:

• You can visit Big Fun Museum as many times as you like within the ticket’s validity window, especially since the themes get refreshed.
• If you upgrade to include the Museum of Illusions, the entrance is different. You’ll want to keep that in mind so you don’t wander to the wrong door after you’ve already made it there.

No food or drinks are included, so if you’re doing a full Las Ramblas day, plan for a snack stop elsewhere.

Giant’s House and the Upside-Down House for Fast, Funny Photos

If you want the museum to work for you immediately, start with the “scale” rooms. The Giant’s House is exactly what it sounds like: objects are giant, so you feel small. The Upside Down House flips the rules the other way—everything in a real-feeling house set is turned upside down.

Why these rooms are so popular (and why you’ll likely enjoy them even if you’re not obsessed with selfies):

• The tricks are obvious, so you don’t need to figure out how it works. You just walk in and start posing.
• The visual payoff is instant. Your phone camera registers it right away, which means less waiting, less guessing, and more fun.

Practical tip: wear shoes you can pivot in. In photo sets, you’ll often move around at angles to get the best perspective. If you rush, you’ll miss the best angles and you’ll feel stuck trying to “force” the shot.

Mirror Games in Alice Through the Looking Glass

Alice through the looking glass is a mirror room inspired by Alice in Wonderland, built around mirrors and optical tricks. This is one of those areas where your brain starts working overtime. You’ll likely spend longer than you planned, because the fun is in trying different positions.

What to expect:

• Mirrors create the sense that space continues in unexpected ways.
• The room invites playful posing rather than quiet viewing.

One consideration: mirror rooms can be chaotic when groups move in sync, so if you prefer a slower pace, aim to visit this type of room when you have space to reposition without bumping into people.

Believe It or Not: Odd Wonders and Guinness-Style Claims

Believe it or not is described as an exhibition of extraordinary wonders of the world, including Guinness World Records, and it’s all said to be true. This room changes the pace compared to the purely visual 3D-style sets.

I like this stop because it gives you a break from “pose, click, move” and adds a more curiosity-driven layer. If you enjoy facts—even quirky ones—this is where you can spend a few minutes reading, reacting, and then heading back toward the fun interactive spaces.

If you’re traveling with kids, this is often a helpful middle ground: it feels educational but still playful.

Food Art: When Famous Works Get Remade in Edible Form

Food Art is an exhibition where iconic works of art are recreated with food of all kinds. It sounds silly, but it’s actually a smart idea for a museum day in Barcelona: it adds a different kind of visual texture, so your eyes don’t get bored halfway through.

What I think makes it work:

• You get the recognition factor (familiar compositions).
• You get a totally different material approach (food), which makes you slow down and stare.

Caution for picky eaters: it’s food as an art medium, not food you can snack on. No food or drinks are included with your ticket, so treat it as a visual experience only.

Museum of Madness: Fun for Some, Too Intense for Others

Museum of Madness is described as a terrifying exhibition of brutal psychiatric treatments in history. This is the one stop I’d flag hardest, because it’s not presented as lighthearted entertainment.

What that means for your planning:

• If you’re traveling with young kids, you’ll want to decide based on their comfort level with frightening topics.
• If your group prefers upbeat, goofier illusions, you might skip this room to keep your museum time enjoyable.

I appreciate that the museum includes it, but I don’t think it’s universal fun. If you’re sensitive to dark themes, put this on the “only if we’re in the mood” list.

Magic Room: A Digital Experience with Forest Views and Barcelona Skies

The Magic Room is a new digital experience where you can explore a magical forest, admire the stars, and enjoy views of Barcelona in the same place. This area is the “technology” stop in a museum built mostly around physical sets.

Why it’s valuable during a real day in Barcelona:

• It offers a change of pace from props and 3D paintings.
• It’s indoor-friendly and works well if you want a calmer moment before jumping back into the photo rooms.

If you’re the kind of visitor who likes both visuals and “what am I looking at” atmospheres, this room is a solid choice. If you’re the type who only wants to click photos, you may still enjoy it, but plan time to actually watch and take it in.

Museum of Illusions Upgrade: 3D Paintings You See Differently

You can upgrade your tour to include entrance to the Museum of Illusions by selecting the option upon checkout. This upgrade is specifically tied to the Museum of Illusions, and the museum notes that the entrance for Big Fun Museum is different from the entrance for Museum of Illusions.

So how does that change your day? Two ways:

• You add another place to enter and manage.
• You get extra 3D painting experiences that are described as coming alive and designed around perspective tricks.

This is where the museum’s 3D focus becomes more “painting” oriented rather than full-room physical sets. The key idea is perspective: you look, you move, and the art changes around you.

Practical tip: wear something comfortable you don’t mind getting a few angles for. With 3D perspective, your best photos often come from shifting position rather than just standing in one spot.

How to Move Through the Rooms Without Feeling Rushed

Because Big Fun Museum is built from themed areas, the easiest way to enjoy it is to treat it like a self-paced circuit. Start with the rooms that are most “immediately photogenic,” then work toward the more contemplative spaces.

A simple flow that usually works:

1. Start with the big visual impact rooms (like Upside Down House and Giant’s House).
2. Then hit the mirror/perspective area (Alice through the looking glass and similar photo spaces).
3. Mix in curiosity rooms (Believe it or not; Food Art).
4. Decide last on the heavier option (Museum of Madness).
5. Finish with the digital experience (Magic Room) if you want a smooth landing.

Also, bring your patience for retakes. In illusions museums, one great photo often takes a couple tries, and Barcelona walking days already involve lots of small adjustments—so this isn’t out of place.

Who This Works Best For (and When It’s Not the Right Choice)

Big Fun Museum is a family-friendly, high-energy kind of attraction, and it’s one of those “do it once, or do it again later” stops because themed rooms can update. If you’re traveling with kids, it’s hard to beat the built-in playfulness and the fact that you can take endless pictures.

Adults who enjoy quirky, photo-based attractions will also like it, especially if you want something central and easy that doesn’t require a reservation-heavy plan.

When it might not be your favorite:

• If you want museums that are mostly quiet, historical, or academic.
• If your group dislikes scary topics, because Museum of Madness is explicitly described as terrifying and about brutal psychiatric treatments.

Good to know for families: children under 5 get in free and don’t need a ticket.

Quick FAQ Before You Go

FAQ

How much does the Big Fun Museum ticket cost?

The Big Fun Museum ticket is listed at $28 per person.

How long is the ticket valid?

It’s valid for 1 day. You should check availability for starting times.

Where is the meeting point?

The meeting point is at the museum entrance on Rambla de Sant Josep, 88–94, 08002 Barcelona, Spain.

What’s included with the ticket?

It includes general admission to the Big Fun Museum.

Is food or drinks included?

No. Food and drinks are not included.

Can I add the Museum of Illusions?

Yes, you can upgrade to include Museum of Illusions when selecting the option during checkout.

Are the entrances the same for Big Fun Museum and Museum of Illusions?

No. The entrance for Big Fun Museum is different from the one for Museum of Illusions.

Do kids need tickets?

Children under 5 get in free and no ticket is required.

Is it accessible for reduced mobility?

Yes, the activity is described as accessible for people with reduced mobility.

Should You Book This Big Fun Museum Ticket?

If your Barcelona day needs something fun, central, and genuinely photo-friendly, I’d book Big Fun Museum. For $28, you’re getting a full day of themed rooms—giant props, an upside-down house, mirror tricks, 3D style effects, and even a digital Magic Room. Add the Museum of Illusions upgrade only if you know you want extra 3D painting/perspective play and you’re okay with using the separate entrance.

Skip it or plan carefully only if your group is uncomfortable with scary subject matter, since Museum of Madness is described as terrifying and focused on brutal psychiatric treatments in history. Otherwise, it’s a straightforward, easy win on Las Ramblas.