Blog
Market data and analysis for collectors
ROI, market data, trends — to make better decisions about your collection.
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.