Disney

The Little Mermaid Royal Clamshell

A giant shell diorama that opens up three iconic Little Mermaid scenes at once.

4.2/5

Set 43225 · 2023

Pieces1,808

Minifigs5

Year2023

Set number43225

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The verdict

If you love The Little Mermaid and you want a proper display piece rather than a playset, this one is a genuinely lovely LEGO® set.

The clamshell is clever, the minifigures are gorgeous, and the build is unlike almost anything else in the Disney line. Just know it's meant to sit against a wall (the back is rough), and it's based on the 2023 live-action film, not the 1989 cartoon. Grab it if that suits you, otherwise it's an easy skip.

Best for: Disney display fans who want a statement piece, not a toy

The full review

What it is

Every so often LEGO makes a display piece that just looks different, and the Royal Clamshell is one of them. This is a big open scallop shell, about 32cm tall and 31cm wide, that cradles three scenes from The Little Mermaid inside its two halves. You get King Triton's throne rock, Ariel's grotto stuffed with treasures and a sunken ship, and Ursula's shadowy cave with her potion shelf. It's a LEGO® set built to be looked at, and from the front it really delivers that under-the-sea storybook feel. Reviewers loved the ambition here, and the Brickset community landed it at a solid 4.2 out of 5.

The catch

Now the honest bits. The whole thing is designed to sit against a wall, because the back is genuinely rough. Exposed Technic bricks, mismatched colours, none of it finished, which LEGO admits was a deliberate call to keep the price down and the front looking good. If you like turning models around to admire them from all sides, this will bug you. The price is the other sticking point. At roughly 160 dollars it's fair rather than cheap, and most people who love it say it becomes great value the moment it goes on sale. And there's the elephant in the room: this is the 2023 live-action Ariel, so if you grew up with the animated film and wanted that version, the character designs might not land for you.

Who it's for

So who's this for? If you're a Little Mermaid fan who wants a proper centrepiece for a shelf and you don't mind (or even prefer) the newer film look, this is an easy recommendation. The build is a real highlight for grown-up fans, and it photographs beautifully. If you want something to play with, something you can view from every angle, or you're firmly team 1989 cartoon, this probably isn't your set. One more thing worth flagging: it retired at the end of 2024, so it's aftermarket only now, which means shopping around pays off. For the right person though, it's a charming, unusual piece that stands out on any shelf.

The parts story

What the build is actually like, and the pieces worth knowing about.

The build has a lovely rhythm to it. You start with King Triton's throne rock, then set it aside so it can watch over the rest of the assembly, which is a genuinely satisfying bit of pacing. From there you construct the clamshell structure itself, building upward, sideways and clipping components on at odd angles before finally bringing the throne back in. The shell uses staggered arches in two colours to fake organic rock, off-grid wedge plates that radiate outward, and clever tricks like triangular road-sign clip pieces filling the gaps between plates. It's fiddly in the best way and a proper step up from a standard Disney playset.

On the parts front, the fun fact is there are no new molds at all, which surprised reviewers given how bespoke it looks. Instead you get six recolors that were exclusive at launch, including Dark Turquoise small hair tufts, Magenta fish, and Light Aqua wedge plates. There's also a small pile of rare useful elements, most memorably ten White round-corner dome tops (New Elementary joked that's more domes than the Taj Mahal set). The minifigures are where the printing budget clearly went: metallic spray-applied inks on the mermaid tails, iridescent torsos on Ariel's sisters, and a repurposed King Triton head mold. For 1,808 pieces the part value is decent, especially if you're an underwater or organic-build MOC fan hunting those aqua wedges.

Fun facts

01Designer Marcos Bessa sketched the shell shape digitally first without planning any connections, then reverse-engineered how to actually build it, and the model's scale was set by the arch pieces he wanted to use.
02Sebastian isn't a custom piece at all, he's the standard red LEGO crab element (part 33121) that first appeared way back in a 1998 Belville set.
03LEGO deliberately left the back unfinished with exposed Technic and clashing colours to keep the price down, assuming most fans would display it against a wall.
04The set launched in May 2023 to tie in with the live-action film and retired at the end of 2024, so it had a short shelf life of well under two years.