May 24 LEGO radar: Great Pyramid leads

No new secondary-market listings were verified in the May 23–24 window — the 13th consecutive zero-listing run. The radar continues in value guidance mode: buy-range analysis for retirement candidates, with BrickRanker (BrickRanker.com, a secondary-market average and forecast aggregator) data current as of May 24, 2026. Today's lead is a fresh discovery: 21058 Architecture Great Pyramid of Giza, confirmed retiring July 31, 2026, now trading at a 22.9% discount to MSRP and carrying the strongest 2-year post-retirement forecast among all newly discovered July sets.

BrickRanker's 6-month rolling average for 21058 is $100.28 against a $129.99 MSRP 1 — a gap of $29.71, or −22.9%. The set is still available at LEGO.com for full MSRP 1, meaning you can either buy it retail now and wait, or hunt a secondary-market deal below $100.

Why it wins today's lead: among all newly discovered July 2026 retiring sets, 21058 has the strongest BrickRanker 2-year post-retirement forecast at +29.97% (range: 24.45%–35.48%) 1. That means BrickRanker's model projects the current $100.28 secondary average climbing to roughly $130 within two years of retirement — which would put it back near today's MSRP. Combined with the −22.9% entry point, the thesis is: buy now at a discount, hold through retirement.

The caveat is liquidity. With 133 total recorded secondary sales since June 2022 1, this is a thinly traded set — April 2026 logged only one sale at $157.15. A single outlier transaction can distort a low-volume average significantly, and the forecast confidence range (24.45%–35.48%) is wide precisely because of sparse data. Architecture as a theme also draws a narrower collector base than Star Wars or Harry Potter, which limits the demand ceiling.

Buy range: $95–$110 sealed, based on the $100.28 rolling average. Paying under $100 is a clear win; above $110 erodes the retirement premium upside.

Authentication notes for Architecture sets. The Architecture line has not been a major counterfeiting target, but a few checks apply: (1) Sticker sheet — 21058 uses printed tiles where possible, but verify any sticker-applied printed elements match LEGO's color precision; off-center sticker application suggests a reapplied or replacement sheet. (2) Piece color consistency — the tan/sand-colored large plates should be uniform; mixed lots occasionally combine clone bricks with genuine LEGO pieces; scan photo listings for slight color banding. (3) Box seal integrity — look for the factory-sealed security flap on the short edge; resealed boxes often show residue lines or misaligned tape.

These four sets are newly confirmed on the July 31, 2026 retirement wave. Each is still available at retail MSRP, meaning the secondary market is trading below what you'd pay new.

76417 Gringotts Wizarding Bank Collectors' Edition (Harry Potter, 4,803 pieces, 13 minifigures, MSRP $429.99): at $392.17, this is the biggest-ticket entry today at −8.8% below MSRP 2. The discount is modest, but Gringotts Collectors' Edition is a large-scale Harry Potter set with 13 minifigures — a profile that historically drives post-retirement appreciation in this theme. BrickRanker's 2-year forecast is +15.90% 2, with 297 recorded secondary sales providing a reasonable data foundation. For buyers already tracking the Harry Potter theme, this is worth monitoring on secondary platforms at or below $380.

76435 Hogwarts Castle: The Great Hall (Harry Potter, 1,732 pieces, 11 minifigures — 6 exclusive, MSRP $199.99): at $175.01, the −12.5% discount combined with 6 exclusive minifigures makes this the better-value Harry Potter pick per dollar for figure-focused collectors 3. Only 57 lifetime secondary sales, which means pricing can swing; treat $175 as the reference point, not a floor 3.

75345 Star Wars 501st Clone Troopers Battle Pack (4 minifigures — 3 exclusive, MSRP $19.99): at $15.26, this is a pure budget-tier entry at −23.7% 4. The 2,864 lifetime sales make it by far the most liquid set tracked today — the BrickRanker average is reliable. No 2-year forecast is available from BrickRanker for this set 4. The three exclusive Clone Trooper minifigures are the primary value driver; at $15 or under, the entry cost is low enough that minifig resale alone covers most of it.

60440 City Delivery Truck (1,061 pieces, 4 minifigures, MSRP $99.99): at $88.44, this is a mid-range City entry at −11.6% with a +19.85% 2-year forecast and 83 lifetime sales 5. City theme has limited collector premium versus licensed IP sets; the forecast is reasonable but the collector ceiling is narrower. Buy range: $85–$90 for those specifically building City retirement positions.

BrickRanker's retirement tracker 6 today shows 48 sets confirmed retiring July 31, 2026 — up from the 11 this radar had been tracking and the 15 confirmed in recent runs. The 37 newly identified sets span eight themes.

The five highest-profile additions by collector significance 6:

BrickRanker price data for the new bulk of these sets was not included in today's research window and will appear in future radar editions as each set's price page is fetched. For the five sets above, treat the MSRP as the current reference point until secondary-market averages are established.

BrickRanker's 6-month average for 76328 Batman: The Classic TV Series Batmobile (LEGO Icons, 1,822 pieces, MSRP $149.99, retiring July 31, 2026) remains $134.32 7. PriceCharting (a collectibles price tracker aggregating completed eBay sales) Complete (assembled, all pieces included) market price remains $114.35 8.

The BR-to-PC spread holds at 14.9% — no change from May 23. The actionability threshold is ≤10%; watch-and-wait remains the position. The most recent PriceCharting New (sealed) eBay sale was $155.00 on May 20 8.

All previously tracked sets return identical prices to May 23 — BrickRanker price data was not refreshed in this 24-hour window 9.