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Market data and analysis for collectors
ROI, market data, trends — to make better decisions about your collection.
LEGO Star Wars: 5 lightsaber hilts given away in 6 years — the pace has doubled
Five lightsaber hilt GWPs given away by LEGO between 2020 and 2026, two of them in 2026 alone. The claim windows are shrinking while the access condition tightens.
30,000: the only rarity figure LEGO publishes in advance
Bricklink Designer Program (5% pre-tax, fixed 30,000 run) versus LEGO IDEAS (1% net, unlimited run). Across the rest of the catalog, rarity is unknown.
2,660 pieces, 1 minifig. 2,750 pieces, 12 minifigs. A 30€ gap.
Two Harry Potter sets discounted the same day, almost the same piece count — and a discount that doesn't follow age.
LEGO Super Mario 2027: 8 sets, same day, ×2.83 price-per-piece spread
Eight LEGO Super Mario sets announced the same day for January 2027: price per piece runs from €0.102 to €0.288, unrelated to box size.
UCS Executor 75457 vs 10221: same ship, fifteen years apart, two opposite price verdicts
+87.5% price, +94.5% pieces, −3.6% per piece — but +71% per centimeter. Two true figures, two opposite conclusions.
A LEGO minifig's exclusivity has an expiration date — the Luke Skywalker and 75419 case
For 10 months, one way to get this minifig: a €999.99 set. A DK book released August 20 now includes the same figure — the set stays unique, its minifig no longer is.
LEGO One Piece: the 2026 wave costs 20% more per piece than 2025
2025 wave: €0.0903/piece. 2026 wave: €0.1083/piece. Same license, one year apart. The Chopper/Gum-Gum Fruit duo shows the gap in one image.
LEGO: same retail price, different Amazon price — the France/Germany gap on 5 sets
Identical retail price in France and Germany on 5 sets. Amazon price: 0% to 22.2% gap the same day, unrelated to the set's price.
LEGO "retiring soon" sets: 11 to 51 months on shelf, the two-year cycle myth
22 sets shown as "retiring soon" on the LEGO Shop the same day. Their actual time on shelf ranges from 10.7 to 50.8 months — a ×4.75 spread.
Back to Hogwarts 2026: the month's best price-per-piece ratio, and the free polybag trap
The 40975 Microscale Hogwarts Castle has the best price-per-piece ratio of August 2026. But the promotion hides a threshold trap on its free polybag.
BrickLink Designer Program series 6: a catch-up sale, and what it says about rarity
Sold on scarcity — closed run, no reprint — BDP series 6 reopens a catch-up sale on leftover stock. Announced rarity vs observed rarity.
LEGO Editions F1 helmets: same price, 138 pieces apart — when a flat price teaches you nothing
All 5 LEGO Editions Formula 1 helmets are 89.99€, from 793 to 931 pieces. +17.4% more pieces at the same price.
LEGO price per piece: across August 2026 releases, the gap runs from ×1 to ×4.6
From €0.0571/piece to €0.2642/piece within the same month of LEGO releases. Full ranking, and why it isn't a quality indicator.
LEGO Batmobile 76355 vs 76139: the replacement costs less and returns more per piece
LEGO replaces the 1989 Batmobile 76139 (retired 2021) with the 76355 Batman Returns. The sticker price drops 16%, the price per piece climbs 22.4%.
5 criteria to evaluate a LEGO leak before getting excited
The Donkey Kong Arcade leak was confirmed down to the piece count. The grid to tell a credible leak from a rumor.
These LEGO minifigs are worth more than the entire set — by a wide margin
The Cloud City Boba Fett (2003) resells for up to ~€3,700 — a set that cost ~€93 new.
UCS Falcon vs Venator: same retirement date, two opposite value trajectories
The 75192 and 75367 both retire December 31, 2026 — and both trade below their launch price.
LEGO Icons 11385 Star Trek Enterprise Bridge: July's excited reveal, August's mixed reception
1,701 pieces, €179.99, 8 original-crew minifigs, for Star Trek's 60th anniversary. What the first reviews actually say.
LEGO Architecture 21067 Tower Bridge: no license, no minifig, yet one of the safer bets in the 2026 catalog
3,745 pieces, €299.99. What the 10214's history (2010-2018) says about how premium Architecture sets hold value.
LEGO Art 31221 Gustav Klimt The Kiss: the biggest, priciest Art set yet — worth the investment?
4,000 pieces, €299.99, a collaboration with Vienna's Belvedere museum. The Art line's history and how a decorative wall piece holds value.
LEGO Marvel 76339 HERBIE: the budget Fantastic Four set with zero minifigs — and that's the catch
747 pieces, €69.99. A fully posable Fantastic Four robot with no minifig — what that means for how it holds value.
The LEGO sets to secure before July 31, 2026: the biggest mid-year retirement wave
130+ retiring sets including 21 exclusives — Gringotts, D&D Red Dragon's Tale, Jaws, Deku Tree already sold out. Set-by-set analysis and a clear stance on what I'd actually buy.
3 exclusive LEGO Halloween 2026 sets from €19.99: the small budget that could pay off big
Pumpkin Lantern, Skull Candle, Colorful Lantern — 3 accessible sets with a real track record of value retention.
EOL or false alarm? What the UCS Millennium Falcon's history teaches about LEGO retirement announcements
Announced as retiring December 31, 2026 — already delayed once since 2025. The method to verify an EOL date before buying.
LEGO Donkey Kong Arcade: the leak that becomes an investment before the official announcement
~$200, 1,367 pieces, rumored August 1 release. Unconfirmed by LEGO — how to read a leak without getting fooled.
LEGO Pokémon at $650: marketing controversy or 2026's best investment move?
The $649.99 Kanto Badge Collection is already sold out and reselling above $1,000 on eBay. An investor's read on a launch under tension.
Gringotts vs Willy Wonka: how to read a LEGO investment projection without getting fooled
+66% projected on Gringotts, +43% on Willy Wonka. The methodology behind these numbers, and its limits.
LEGO x Olivia Rodrigo: marketing gadget or real strategic shift?
5 LEGO Editions Olivia Rodrigo sets from August 1, 2026 — the first music license in LEGO history. Analysis of the business calculation.
LEGO Ideas 21370 E.T.: the nostalgia bet for the film's 45th anniversary
1,226 pieces, $139.99, light-up brick, exclusive from August 1, 2026. Does 80s nostalgia work on an older audience?
LEGO Insiders Days July 7-12, 2026: the window not to miss before retirements
2 free gifts (Sea Serpent, plane) + double points from July 7 to 12. How to combine it with the last EOL sets of July.
Rumor: up to +33% on exclusive BrickHeadz — what it says about LEGO's pricing strategy
A leak points to a price increase on exclusive LEGO.com BrickHeadz and upscaled minifigs. Unconfirmed — what it would mean for your stock.
LEGO Shrek 2026: nostalgia, memes and investment potential
For the film's 25th anniversary, LEGO launches its first Shrek range — 72423, BrickHeadz 40923, and a CMF confirmed for September 2026.
How Cault estimates the value of your LEGO — methodology in transparency
Formulas, three-phase curves, marketplace merging and uncertainty ranges. The method behind our estimates, explained plainly.
LEGO 21065 Sagrada Família — the largest LEGO set ever produced: investment analysis
12,060 pieces (absolute record), €749.99, Gaudí centenary, zero minifig. The 21065 breaks all records — but is it a good investment?
LEGO 11377 Minas Tirith — The White City, the hype and the investment potential
8,278 pieces, €649.99, the largest LEGO Lord of the Rings set ever released. Rigorous analysis of the 6 investment signals.
LEGO sets retiring in 2026: Executor, Rivendell, Venator… the premium wave
Rivendell, Executor Super Star Destroyer, Venator-class, Avengers Tower… The 2023 wave is reaching end of cycle. Real-time tracking of 2026 retirements.
LEGO sets retired in 2025: complete breakdown by theme
Over 300 sets officially left production in 2025. Lion Knights' Castle, Jazz Club, Razor Crest… ROI analysis theme by theme.
LEGO sets retired in 2024: Home Alone, Ferrari Daytona, AT-AT…
Home Alone ⭐⭐⭐⭐⭐, Ferrari Daytona SP3 ⭐⭐⭐⭐⭐, Back to the Future ⭐⭐⭐⭐⭐… The major 2021-2022 Ideas and Icons wave left production at end of 2024.
The 10 LEGO sets with the best ROI in 2025
Café Corner +785%, Millennium Falcon +942%… Complete analysis of the most profitable retired sets. BrickLink data, MISB condition.
How to calculate the ROI of a LEGO set — and how Cault does it for you
Formula, annualized ROI, liquidity signal, sealed premium, theme benchmark, retirement phases, break-even. Everything Cault calculates automatically.
How to invest in LEGO: complete beginner's guide
Secondary markets, profitable themes, good buying and selling timing. The practical guide.
Best LEGO collection app 2026: an honest comparison
Brickfact, BrickEconomy, Brick Search, Rebrickable, myBricks or Cault? Strengths, limits and use cases — no spin.