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A “sets under $100” list is easy to write and mostly useless, because most of what shows up on those lists isn’t going anywhere. The interesting question isn’t what’s cheap right now, it’s what’s cheap right now and confirmed to be leaving shelves soon. That’s a much shorter, much more useful list.
Everything below is pulled straight from our Retiring Sets Tracker, confirmed by LEGO and Brickset as retiring July 31, 2026, and every one of them is under $100 at MSRP. Ranked by how much of a real case each one has beyond just “it’s retiring”: a license or following that should carry it past the initial drop-off.
Executor Super Star Destroyer (75356)
This is the most complete "collector" pick on the list. The Starship Collection line exists specifically for display-focused adult buyers, and the Executor is one of the most recognizable Star Wars ships in the entire franchise (it's Vader's flagship in the original trilogy), so name recognition alone does real work here. At $69.99 for 630 pieces you're paying for the silhouette and the display stand more than piece count, and that's the right trade for this line, since nobody buys a Starship Collection set to grind through a dense build.
- Instantly recognizable ship, sells itself to non-collectors
- Starship Collection line has a track record of holding interest post-retirement
- Compact footprint for the visual impact it delivers
- 630 pieces is light for $70 if you're piece-count-motivated
- Smaller scale than a UCS flagship, so it won't anchor a display the way a bigger Star Wars set would
Ferrari F40 (76934)
Speed Champions is a crowded line, dozens of cars come and go every year, and most of them blend together once they retire. The F40 is one of the exceptions, because Ferrari's own brand recognition carries outside the LEGO world in a way most licensed cars in this line don't. That's the actual thing to buy here: not the build (318 pieces is a quick one), but a car enough non-LEGO people recognize on sight to widen who's shopping for it once it's gone.
- Ferrari name recognition reaches buyers who aren't LEGO collectors at all
- Cheap enough to grab a few and not think twice
- Small footprint, easy to display in numbers
- Speed Champions has a lot of supply; a handful alone won't move the market
- Small scale means it's a shelf accent, not a centerpiece
2 Fast 2 Furious Nissan Skyline GT-R (R34) (76917)
This one has two fandoms pulling for it instead of one: Fast & Furious fans and the JDM car community, which has genuinely obsessed over the R34 Skyline for two decades independent of the movies. That double demand base is why this ranks above most Speed Champions releases, and it's confirmed retiring on the same date as the F40 above, so if you're buying one of these two, there's a real case for grabbing both while they're both still at MSRP.
- Two overlapping fan bases (Fast & Furious + JDM car culture)
- The R34 Skyline specifically has enduring, near-cult demand
- Retiring alongside the F40 (76934), same-order convenience
- Niche audience is narrower than a general Star Wars or Harry Potter buyer
- Same small-scale build limits as the rest of Speed Champions
Kingfisher (10331)
No movie or game behind this one, just LEGO's Icons bird-model sub-line building a quiet following of its own over the last few years. At $0.06 a piece, it's one of the better piece-to-price ratios on this list, and the detail LEGO put into the feather texturing on these bird builds is genuinely a step up from a standard Creator model. The catch is that all of that demand is coming from LEGO collectors specifically, there's no outside brand pulling in casual buyers the way Ferrari or Harry Potter can.
- Strong piece-per-dollar value ($0.06/piece)
- Icons bird sets have a real, if quiet, collector following
- Detailed enough to double as a genuine display piece, not just a shelf filler
- No license or IP tie-in, demand is LEGO-collector-only
- Narrower buyer pool than anything with outside brand recognition
Talking Sorting Hat (76429)
This is the one novelty pick on the list, an actual electronic prop that talks, not a brick model of one. Nothing else in LEGO's Harry Potter catalog replicates it, which is exactly why it's worth flagging: a unique item has less direct competition once it retires than another castle or vehicle set does. The tradeoff is that novelty electronics are a different kind of collectible than a display build, appeal here rides on the gimmick holding up over time, not on piece count or build quality.
- No other set replicates this specific prop, genuinely one-of-one
- Harry Potter brand demand is broad and durable
- Interactive electronics stand out in a catalog full of static builds
- Right at the $100 cutoff, less of an impulse buy than the rest of this list
- Novelty/electronic appeal is gimmick-based and historically less predictable than a straight display set
Fawkes: Dumbledore's Phoenix (76448)
The cheapest set on this list by a wide margin, and it's confirmed retiring at the end of the month. Creature sets like this one historically don't appreciate the way vehicle or building sets in the same theme do, Fawkes is a companion piece, not a scene, so treat it as a low-risk way to hold a piece of the current Harry Potter lineup rather than a set you're banking on for a meaningful return. At under $23, the downside if it doesn't move is small either way.
- Lowest price and lowest risk on this entire list
- Harry Potter brand demand is broad and durable
- Good supply right now makes it easy to stock more than one
- Companion/creature sets historically appreciate less than vehicles or buildings
- Small piece count means it's a supplement to a collection, not a centerpiece
None of these are guaranteed flips. Retiring doesn't automatically mean valuable, demand still has to be there. But confirmed retirement plus a real license or a genuine niche following (Speed Champions cars, Icons birds, Star Wars ships, Harry Potter novelties) is a much better starting point than "it's cheap right now." Check the Retiring Sets Tracker before the end of the month if any of these are on your list.