2025’s Biggest & Most Expensive LEGO Sets
"A collector’s guide to 2025’s largest and most valuable LEGO sets—specs, prices, dimensions, and display advice."
In 2025, LEGO continues to break records with sets that push the limits of scale, complexity, and price. Leading the pack is the retired LEGO Art World Map (31203)—still the largest set ever released with 11,695 pieces—followed by the towering Eiffel Tower (10307) with 10,001 pieces and a height of 58.5 inches. For Star Wars collectors, the spotlight is on the UCS Death Star (75419), launching at a record-breaking $999.99 MSRP for 9,023 pieces, making it the most expensive LEGO set to date. Other massive builds like the Titanic (10294), Colosseum (10276), and Millennium Falcon (75192) offer impressive piece counts and collector value.
This guide ranks the Top 7 biggest and most expensive LEGO sets in 2025 by piece count, physical dimensions, MSRP, and collector demand, with up-to-date prices and retired set market insights. Whether you're a LEGO enthusiast, gift shopper, or display collector, we help you compare specs, plan your shelf space, and choose the right big build.
🗓 Prices and availability are current as of September 2025 and subject to change, especially for retired and secondary-market sets.
Most Expensive LEGO Set of 2025
1. UCS Death Star (75419) – Star Wars UCS
Why it’s notable: This is the largest LEGO Star Wars set ever produced in terms of piece count and most expensive LEGO set to date—an impressive diorama slice of the iconic Death Star with high display impact.
Key Specs:
- Year, Theme and Age Rating: 2025, Star Wars (Ultimate Collector Series), 18+
- Piece Count: 9,023 pieces
- Dimensions (L × W × H): 20.6 in (52.3 cm)" × 18.9 in (48.0 cm)" × 15.1 in (38.3 cm)"
- Minifigures: 38, including various iconic characters and a “hot tub stormtrooper”—largest minifigure lineup ever.
- Estimated Build Time: Not officially stated; with 9,023 pieces and 81 bags noted in early unboxing, expect 20–40+ hours depending on pace.
- Retail Price: $999.99 (USA)
| Pros | Cons |
|---|---|
| Iconic scenes, immersive display | Pricey, no exclusive figures |
| Largest Star Wars LEGO set ever | Huge size, needs lots of space |
| 38 minifigs incl. rare ones | Limited access, no discounts |
| Diorama cut shows all angles |
Best For: Collectors and adult fans seeking a striking centerpiece for display, especially those with a deep appreciation for Star Wars films.
Availability: In production: Yes—early access for LEGO Insiders from 1 October 2025, general public availability 4 October 2025.
Summary: The UCS Death Star (75419) is an extraordinary achievement in LEGO’s Star Wars line—part museum-worthy display piece, part cinematic homage. While its high cost and footprint limit its audience, for serious collectors it offers a once-in-a-generation build experience and centerpiece quality unmatched in the current LEGO ecosystem.
2. UCS Millennium Falcon (75192) – Star Wars UCS
Why it’s notable: The definitive Falcon—dense greebling, full interiors, and a 33" footprint; a modern UCS icon.
Year, Theme: 2017, Star Wars UCS.
Key Specs:
- Pieces: 7,541.
- Dimensions (L×W×H): 33" × 22" × 8".
- Minifigs: 7 (Han, Chewbacca, Leia, C-3PO, older Han, Rey, Finn) + BB-8, 2 Porgs, Mynock.
- Age Rating: 16+ (original release).
- Build Time: ~17–22 hours (timed builds 17h–21h17m).
Price + Price-per-Piece: $849.99 → ~11.3¢/piece (price increased from $799.99 in 2022).
| ✅ Pros | ❌ Cons |
|---|---|
| Iconic centerpiece with full interior | Very heavy; hard to handle |
| Rich detail with dense greebling | Premium pricing and high PPP |
| Two crew sets (OT + Sequel Trilogy) included | Huge footprint requires custom display |
Best For: Star Wars UCS collectors with robust shelving or custom cases.
Availability: ✅ In production; currently slated to retire Dec 31, 2026.
💬 User satisfaction insights: Universally lauded for presence and complexity; many cite long, immersive builds and the challenge of handling/displaying the heavy model.
Rate: ⭐️⭐️⭐️⭐️⭐️ (4.8 / 5)
3. UCS AT-AT (75313) – Star Wars UCS
Why it’s notable: A 24.5"-tall walker with an engineered, freestanding stance and a troop-filling interior.
Year, Theme: 2021, Star Wars UCS.
Key Specs:
- Pieces: 6,785.
- Dimensions (L×W×H): 27–28" × 9.5–10" × 24.5–25".
- Minifigs: 9 (Veers, Luke, Snowtrooper Cmdr, 4 Snowtroopers, 2 AT-AT Drivers).
- Age Rating: 18+.
- Build Time: ~15–18 hours (Brickset ~16h; multiple sources 15–19h).
Price + Price-per-Piece: $849.99 → ~12.5¢/piece.
| ✅ Pros | ❌ Cons |
|---|---|
| Towering display piece with strong structure | Very high price per piece (PPP) |
| Functional legs and interior troop bay | Repetitive leg sections to assemble |
| Holds up to 40 minifigs inside for display scenes | Retired; aftermarket prices may climb |
Best For: UCS fans wanting a vertical showpiece with diorama potential.
Availability: ❌ Retired (LEGO marks as “Retired Product”; retired Nov 2024).
💬 User satisfaction insights: Praised for balance and accuracy; some note tricky disassembly of certain Technic connections and premium pricing.
Rate: ⭐️⭐️⭐️⭐️⭐️ (4.6 / 5)
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🛒 Buy On LEGO: Retired Product
Biggest LEGO Set in the World in 2025
1. World Map (31203) – LEGO Art
Why it’s notable: At 11,695 pieces, this is the largest LEGO set ever—an impressive wall-sized mosaic experience.
Year, Theme: 2021, LEGO Art
Key Specs:
- Pieces: 11,695
- Dimensions: 128 × 80 studs (~41"×25")
- Minifigs: None
- Age Rating: 18+
- Build Time: ~10–11 hours
Price + Price-per-Piece: $249.99 → ~2.1¢ per piece
| ✅ Pros | ❌ Cons |
|---|---|
| Relaxing mosaic-style build | Tedious "paint-by-numbers" experience (can feel repetitive) |
| High value as a parts pack | Garish color palette (subjective aesthetic appeal) |
| Allows for personalization and creative layout | No minifigures or interactive elements |
Best For: Fans of décor & art bricks, geography lovers, mindful builders, and adult LEGO fans looking for relaxing projects.
Availability: ❌ Retired (as of late 2023)
💬 User satisfaction insights: Users praise the display impact and build quality, but warn about long hours with tiny tiles.
Rate: ⭐️⭐️⭐️⭐️☆ (4.2 / 5)
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🛒 Buy On LEGO: Retired Product
2. Eiffel Tower (10307) – LEGO Icons
Why it’s notable: Tallest LEGO set ever built—nearly 5 feet tall—with intricate lattice tower architecture.
Year, Theme: 2022, LEGO Icons
Key Specs:
- Pieces: 10,001
- Dimensions: H 149 cm (58.5 in), W 57 cm (22.5 in), D 57 cm (22.5 in)
- Minifigs: None
- Age Rating: 18+
- Build Time: ~13–15 hours
Price + Price-per-Piece: $629.99 → ~6.3¢ per piece
| ✅ Pros | ❌ Cons |
|---|---|
| Tallest LEGO set ever released | Repetitive, monochrome sections |
| Faithful engineering and truss detail | Very tall; needs ceiling clearance |
| Modular construction simplifies assembly | No minifigs; strictly for display |
Best For: Architecture enthusiasts, serious display collectors, those with high ceilings or dedicated LEGO space.
Availability: ✅ In production (2025)
💬 User satisfaction insights: Praised for realism and dramatic presence; some found the repetitive structure tedious but worth the result.
Rate: ⭐️⭐️⭐️⭐️⭐️ (4.5 / 5)
3. Titanic (10294) – LEGO Icons
Why it’s notable: Epic 4-foot-long replica of the RMS Titanic, packed with historical detail and internal deck structure.
Year, Theme: 2021, LEGO Icons
Key Specs:
- Pieces: 9,090
- Dimensions: L 135 cm (53 in), H 44 cm (17.5 in), W 16 cm (6 in)
- Minifigs: None
- Age Rating: 18+
- Build Time: ~14–16 hours
Price + Price-per-Piece: $679.99 → ~7.5¢ per piece
| ✅ Pros | ❌ Cons |
|---|---|
| Over 4.5 ft long; dramatic scale | Long build with repeated steps |
| Three-section design shows detailed interior | Narrow width; needs long shelf |
| Smooth hull shaping with true-to-life curves | No minifigs or interactivity |
Best For: History lovers, adult collectors, nautical display builders.
Availability: ✅ In production (2025)
💬 User satisfaction insights: Rated 4.9/5 by most fans; top praise for visual fidelity, but some noted it’s more of a “model” than an interactive LEGO set.
Rate: ⭐️⭐️⭐️⭐️⭐️ (4.7 / 5)
4. Colosseum (10276) – LEGO Creator Expert
Why it’s notable: Detailed elliptical model of the Roman Colosseum—was the biggest set ever until the World Map surpassed it.
Year, Theme: 2020, Creator Expert
Key Specs:
- Pieces: 9,036
- Dimensions: L 59 cm (23.5 in), W 52 cm (20.5 in), H 27 cm (10.5 in)
- Minifigs: None
- Age Rating: 18+
- Build Time: ~12–14 hours
Price + Price-per-Piece: $549.99 → ~6.1¢ per piece
| ✅ Pros | ❌ Cons |
|---|---|
| Massive oval-shaped display base | Monotone tan; repetitive to build |
| Architectural detail with repetitive rhythm | No interior details—exterior shell only |
| Great for long session or multi-day builds | Retired; higher aftermarket prices expected |
Best For: Architecture and history fans, classic display collectors.
Availability: ❌ Retired (late 2023 or early 2024)
💬 User satisfaction insights: Generally praised for accuracy and grandeur; common critique is lack of variety during build.
Rate: ⭐️⭐️⭐️⭐️☆ (4.3 / 5)
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🛒 Buy On LEGO: Retired Product
📊 Comparison Table
| Set | Set # | Theme | Year | Status | Pieces | Dimensions (L×W×H) | Minifigs | $/Price | Rate |
|---|---|---|---|---|---|---|---|---|---|
| UCS Death Star | 75419 | Star Wars UCS | 2025 | In production | 9,023 | 20.6" × 18.9" × 15.1" | 38 | $999.99 | ⭐️⭐️⭐️⭐️☆ (4.4) |
| UCS Millennium Falcon | 75192 | Star Wars UCS | 2017 | In production | 7,541 | 33" × 22" × 8" | 7 (+ creatures) | $849.99 | ⭐️⭐️⭐️⭐️⭐️ (4.8) |
| UCS AT-AT | 75313 | Star Wars UCS | 2021 | Retired | 6,785 | 27–28" × 9.5–10" × 24.5–25" | 9 | $849.99 | ⭐️⭐️⭐️⭐️⭐️ (4.6) |
| World Map | 31203 | LEGO Art | 2021 | Retired | 11,695 | ~41" × 25" | 0 | $249.99 | ⭐️⭐️⭐️⭐️☆ (4.2) |
| Eiffel Tower | 10307 | LEGO Icons | 2022 | In production | 10,001 | 22.5" × 22.5" × 58.5" | 0 | $629.99 | ⭐️⭐️⭐️⭐️⭐️ (4.5) |
| Titanic | 10294 | LEGO Icons | 2021 | In production | 9,090 | 53" × 6" × 17.5" | 0 | $679.99 | ⭐️⭐️⭐️⭐️⭐️ (4.7) |
| Colosseum | 10276 | Creator Expert | 2020 | Retired | 9,036 | 23.5" × 20.5" × 10.5" | 0 | $549.99 | ⭐️⭐️⭐️⭐️☆ (4.3) |
In the world of LEGO collecting, bigger builds and bolder price tags continue to set new records in 2025. According to LEGO’s official piece-count standards, the retired LEGO Art World Map (31203) remains unmatched at 11,695 pieces, holding its crown as the largest set ever released. Close behind in physical scale, the towering LEGO Eiffel Tower (10307) reaches an astonishing 58.5 inches, while the Titanic (10294) impresses with its 53-inch length and 9,090-piece complexity.
But October 2025 ushers in a new milestone with the UCS Star Wars Death Star (75419)—LEGO’s most expensive set to date at $999.99. Though not the largest by pieces, it packs 9,023 parts, 38 collectible minifigures, and display presence few sets can rival.
Whether you're a display-focused adult fan, a Star Wars enthusiast, or a LEGO investor, 2025 offers a spectacular mix of size, theme, and legacy. From Rivendell (10316) and Razor Crest (75331) to the modular NINJAGO City Markets (71799), today’s most ambitious LEGO sets offer more than just high brick counts—they deliver immersive builds, iconic designs, and in many cases, long-term collector value.
Tip for readers: verify current US MSRP/availability on
LEGO.com and consult
trusted trackers for secondary-market ranges before you buy.
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