LEGO Icons Project Hail Mary (11389) Review – Spin Gravity, Brick It

🪐 Introduction – The Hail Mary Spins Up on the Shelf

🧱 This review is part of our LEGO for Adults (18+) Hub – every adult-targeted black-box build we have graded, from Icons giants to display busts.

If you have read Andy Weir’s Project Hail Mary, you already know which detail had to land for a LEGO set to be worth anything: the artificial gravity. The LEGO Icons Project Hail Mary (11389) nails it. This is an 830-piece, 18+ microscale model of the interstellar ship from the novel and the 2026 film, and it comes with a hand crank that actually spins the crew module — recreating the centrifugal gravity that defines life aboard the Hail Mary. It also comes with the one thing every fan was hoping for: a buildable Rocky.

After building it and living with it, the verdict is a warm one with a size caveat: the mechanism is clever, Rocky is a delight, and for anyone who loves the story this set has real emotional weight. An 8.5/10 — smart, characterful, and compact.

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LEGO Icons Project Hail Mary (11389) (opens in a new tab)

An 830-piece, 18+ microscale Hail Mary spacecraft with a hand crank that spins the crew module to simulate artificial gravity, plus a Ryland Grace minifigure and a Rocky figure.

Here is the Tech-Dad framing. A licensed set lives or dies on whether it captures the idea of its source, not just the silhouette. A static model of a spaceship is fine; a model that lets you turn a crank and watch the crew section rotate to fake gravity is the book, in your hands. That is the difference between merchandise and a genuine object of affection. For a sci-fi dad — especially one who pressed the novel on everyone he knows — this is an 8.5/10 you’ll fidget with every time you walk past it.

The thing this set had to get right is the story, not the scale — and the spin-gravity crank means it gets the most important part exactly right.

🧱 Build Experience – Microscale Cleverness with a Mechanism

This is a more engineered build than its modest piece count suggests, and that is a compliment. At microscale, the ship breaks into two readable sections — the crew quarters where Grace lives and pilots, and the engine-and-fuel-tank assembly behind it — and the white, grey and gold palette gives it a clean, almost scientific-instrument look. The central crew module is printed with an airlock and surface detailing that sells the scale convincingly.

The heart of the build, though, is the gravity mechanism. Rather than bury a gimmick, LEGO has the crank drive the rotation of the crew section, and assembling that working sub-assembly is the most satisfying stretch of the box — the moment you first turn it and the module spins is a proper “oh, that’s great” beat. It is a Technic-flavoured idea executed cleanly inside an Icons display model, and it lifts the whole experience above a static shelf piece.

Then there is Rocky. Building the little alien is a short, joyful coda to the main model — and if you know the book, you will understand why finishing Rocky feels less like adding an accessory and more like the set being complete.

🤖 Character & Details – Rocky Steals the Show

Let’s be honest about what most fans are here for. The ship is clever and the crank is the headline feature, but Rocky is the emotional centre of this set, exactly as in the story. The buildable figure captures the character’s distinctive shape, and standing him beside the Hail Mary turns a model of a spacecraft into a model of a friendship. For readers of the novel, that is the detail that makes the eyes go slightly misty — and LEGO clearly knew it.

The Ryland Grace minifigure rounds out the cast and gives the set a sense of scale and crew. Together, ship plus Grace plus Rocky tells the whole arc of the story in one display: the mission, the man, and the unlikely partner who makes it work. That narrative completeness is rare in a sub-1,000-piece set, and it is the quiet reason this one punches above its size.

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Project Hail Mary (Andy Weir, Novel) (opens in a new tab)

The source novel that makes the build sing — read it first, then the crank and Rocky carry real emotional weight.

🖼️ Display Presence – Compact, but a Conversation Starter

Set expectations honestly: at microscale and just over 30cm high, this is not a room-dominating centrepiece in the way a metre-tall rocket is. It is a desk-and-bookshelf piece — and a brilliant one, because its presence comes from interaction and story, not raw size. People do not just glance at it; they ask what the crank does, you spin the module, and suddenly you’re explaining the whole premise of the book. That is far better engagement than a big static model usually earns.

It pairs beautifully with the source material on a shelf — the ship beside a copy of the novel, Rocky perched in front — making a tidy little tribute to one of the best sci-fi stories of the decade. For a fan, that vignette is the whole point, and it does not need a huge footprint to land.

🧑‍👧‍👦 The Family Angle – A Crank That Teaches Physics

This is where the set quietly over-delivers. The spin-gravity mechanism is not just a gimmick — it is a working demonstration of centrifugal artificial gravity, the same idea behind every rotating space station in serious science fiction. Turn the crank for a curious kid and you have an instant, hands-on physics chat: why spinning makes “down,” why real long-haul spacecraft might do this, why the astronauts in the story aren’t floating. It is a genuinely educational toy disguised as a display model.

The build is an adult project and the figures are display pieces rather than playthings, but the finished set is a family talking point with real substance. And Rocky, frankly, is a hit with everyone regardless of whether they’ve read a word of the book. For a sci-fi household, it earns its keep on the shelf and in the conversations it starts.

🧭 Who It’s For

• Project Hail Mary readers who want the ship, Grace and Rocky on the shelf
• Sci-fi dads who value a clever working mechanism over raw piece count
• Fans of the 2026 film looking for the definitive brick tribute to the story

⚖️ Project Hail Mary vs the Big Icons Space Sets

Put this beside a 3,000-piece Icons rocket and it is clearly playing a different game. The big sets win on scale and shelf domination; Project Hail Mary wins on story and interaction. If your priority is a towering centrepiece, this is not it. If your priority is an object that captures a beloved narrative and does something when you touch it, the crank and Rocky make this the more characterful, more re-engaging pick — the one you actually interact with rather than just dust.

The fairer comparison is against other licensed sci-fi display sets, where the differentiator is how directly the model ties to its source. Plenty of franchise sets are accurate-but-static. This one builds its single most important plot device — the artificial gravity — into a working feature, and includes the character who carries the emotional payload. For a fan, that fidelity to the idea of the story is worth more than another hundred pieces of hull.

🕰️ Living With It – The Crank You Can’t Leave Alone

A display set’s long-term test is whether it holds your attention after the novelty fades, and this one has an unfair advantage: a moving part. A static model eventually becomes wallpaper; the Hail Mary has a crank, and a crank is irresistible. Weeks in, I still spin the crew module every time I pass it — it is a small, tactile fidget that keeps the set feeling alive in a way a sealed model never does.

Upkeep is minimal — the compact footprint and mostly closed surfaces mean it does not collect dust like an open, gantry-heavy build, and the figures sit happily wherever you place them. The one thing worth doing is keeping Rocky in the frame; the set is good as a ship and complete as a ship-plus-Rocky tableau. Treated as the little story-in-a-box it is, it keeps earning its desk spot.

📌 FAQ – Frequently Asked Questions

How many pieces is the LEGO Project Hail Mary 11389?

The LEGO Icons Project Hail Mary (11389) has 830 pieces and is rated 18+. It stands over 30cm high and includes a Ryland Grace minifigure and a Rocky figure.

Does the LEGO Project Hail Mary crank actually work?

Yes. A hand crank spins the crew module, recreating the ship’s centrifugal artificial-gravity system from the story. It is the standout play feature and ties directly to the plot.

Does the LEGO set include Rocky?

Yes. The set includes a buildable Rocky figure alongside a Ryland Grace minifigure — and for fans of the book, Rocky is the emotional centre of the whole set.

Is the LEGO Project Hail Mary worth it?

For fans of the novel or the 2026 film, yes. The working spin-gravity mechanism and Rocky make it a smart, story-rich set. An 8.5/10, with its compact microscale the only real caveat.