ListBest LEGO Super Mario Sets 2026
The best LEGO Mario sets aren't the interactive figure and course pieces that started the theme back in 2020, though those are still around. The theme has grown into something with real range now: display-only builds the size of a small dog, a working NES you can prop on a shelf, a whole fleet of Mario Kart vehicles, and a couple of genuinely massive castles. If you're trying to figure out where to start, the spread matters more than any single set, because a kid who wants to race a kart around the living room floor needs a completely different box than a Mario collector who wants something to display.
We pulled this list from sets that are still realistic to find in 2026, split roughly between the big centerpiece builds (Bowser, the castles, the NES) and the smaller vehicle and playset sets that actually get handled after the first week. Piece counts range from a few hundred up to nearly three thousand, so there's something here whether the plan is a quick Saturday build or a multi-evening project. A few of these lean collector, built to sit on a shelf rather than get rebuilt into anything else, and we've said so where that's the case.
Every set below links to a full review where we have one written, so use these blurbs to narrow the shortlist and the reviews to settle the final call. None of these need the old interactive LEGO Mario figure to work on their own, though a few of the older playsets were originally designed around it and still play nicer if you already own one.
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1. The Mighty Bowser
At 2,807 pieces, this is the biggest and most expensive-feeling thing the Mario theme has produced, and it's built to be looked at rather than played with. Bowser's head turns, his arms move, and there's a spring mechanism that launches a fireball, but the real appeal is just how much presence the finished model has on a shelf. This one's for an older builder or a serious Mario fan, not a young kid looking for a toy.
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2. Nintendo Entertainment System
A 2,646-piece recreation of the original NES console, complete with a cartridge that pops in like the real thing and a brick-built CRT television showing a scene from Super Mario Bros. It's less a Mario set than a nostalgia set that happens to feature Mario, and it lands best with adults who grew up with the console rather than kids who've never seen one plugged in.
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3. Mario Kart – Mario & Standard Kart
The flagship entry in the newer Mario Kart line, at 1,972 pieces, built around a large-scale kart with steering that actually works and a Mario minifigure sized to sit in the driver's seat. It's a genuinely fun build with a payoff toy at the end, which is rarer in this theme than you'd expect, and it's the strongest single pick if the household is more into karts than platforming.
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4. The Bowser Express Train
A 1,396-piece train set that swaps City's usual passenger cars for a Bowser-themed engine and cargo full of familiar Mario enemies. It runs on standard LEGO track, so it's a real option for a household that already has City train pieces to connect it to, and the build itself moves at a nice clip without ever feeling repetitive.
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5. Peach's Castle Expansion Set
At 1,216 pieces, this is the closest the theme gets to a proper dollhouse, with multiple rooms, a working elevator, and enough interior detail to keep a kid rearranging furniture long after the last brick clicks in. It's an expansion set, so it's built to connect to the interactive LEGO Mario or Peach figure sets, but it stands fine as a display piece on its own too.
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6. Donkey Kong's Tree House
A 555-piece jungle set with a barrel cannon, a working mine cart section, and Donkey Kong himself as the centerpiece figure. It's a good middle-ground pick for a kid who's outgrown the smallest expansion sets but isn't ready for one of the huge display builds, and the jungle gym play pattern gives it more staying power than a lot of the flatter playsets in the line.
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7. Mario Kart – Bowser's Castle
At 1,068 pieces, this pairs a Bowser kart with a small themed course section, lava chunks and all, so there's both a build and a track to race on once it's finished. It's a stronger pick than most of the smaller Kart sets if the plan is actually racing the karts around rather than just displaying them, since the included obstacles give kids something to steer around.
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8. King Boo's Haunted Mansion
A 932-piece haunted house build with hidden mechanisms, a spooky reveal or two, and King Boo as the main figure. It skews a little older than most of the Mario playsets because of the fiddlier hidden-door builds, and it's a good pick for a kid who's into the Luigi's Mansion side of the franchise rather than straight platforming.
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9. Piranha Plant
A 540-piece display build of the recurring pipe-dwelling enemy, with a stem that twists and leaves that open and close. It's not interactive in the way the vehicle sets are, but it's one of the more satisfying medium-sized builds in the theme, and it displays well next to a Mario minifigure collection without taking up a ton of shelf space.
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10. Prince Florian & Castle Bowser
At 1,251 pieces, this newer Mario Kart entry pairs a full castle course section with its own kart and character, giving it more scale than most of the other Kart releases. It works well stacked with other Mario Kart sets from the same wave if the goal is building out a full track, and the castle piece alone is detailed enough to stand as a display build.
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If you want a build that gets displayed and admired, go big with The Mighty Bowser or the NES. If you want something that actually gets played with after the first week, put your money into one of the larger Mario Kart sets instead. The theme covers both ends well, it just doesn't do both in the same box.
Common questions
Do I need the interactive LEGO Mario figure to use these sets?
No. Most of the newer Mario sets, including the Kart line and the big display builds like The Mighty Bowser and the NES, stand on their own with no electronics required. Only the older expansion sets built around the original interactive Mario, Luigi, or Peach figures need one of those figures to actually trigger their sounds and mechanisms, and that's usually clear from the set's name.
Are the Mario Kart sets actually fun to race, or just display pieces?
It depends on the set. The larger Kart builds, like Mario & Standard Kart, have working steering and enough scale to genuinely push around a floor. The smaller Kart releases are more about the character pairing and look better lined up on a shelf than raced against each other, so match the size to whether the kid wants a toy or a collectible.
What's the best Mario set for a display-only collector?
The Mighty Bowser and the Nintendo Entertainment System are the two built specifically to be looked at rather than played with. Both are large, detailed, and aimed at adult builders or serious collectors rather than kids, and neither one is designed to connect to the rest of the Mario line the way the expansion sets are.
Is the Mario theme worth getting into if my kid doesn't play the games?
It can be, since a lot of the sets work as generic castle, jungle, or vehicle builds even without the game context. That said, the appeal leans heavily on recognizing the characters and enemies, so a kid with zero familiarity with Mario will likely get more lasting play out of a City or Creator set instead.