The Journal · Interesting Facts
LEGO Hidden Gems: Unusual Sets Beyond the Big Flagships
LEGO's hidden gems are the sets that sit outside the big licensed flagships: a mineral collection, an articulated Pixar lamp, a road bike with a working chain, a forest of mushrooms. Most are on sale now; the last section covers promotional and seasonal sets from 2017 to 2019 that have retired.
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Last Updated: October 07, 2026
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LEGO's hidden gems are the sets that sit outside the big licensed flagships and are easy to walk past: a shelf of brick-built minerals, an articulated Pixar lamp, a road bike with a working chain, a forest floor of mushrooms. Most of the sets below are on sale now. The last section covers promotional and seasonal sets from 2017 to 2019 that have retired, for collectors who like the obscure end of the catalog.
This is a research based guide. A hidden gem here is chosen for what the set is, not for any claim about value; each card shows the piece count and expected exit date when the page loads.
Unusual sets on sale now
Mineral CollectionMineral Collection: six brick-built minerals with display shelf units, a LEGO Ideas set for rock collectors. Expected to leave LEGO's range at the end of 2027.
Disney Pixar Luxo Jr.: the articulated lamp from the Pixar short that LEGO notes was the first CGI animated film nominated for an Academy Award. Expected to leave LEGO's range at the end of 2027.
Road Bike with front-wheel steering and a working pedal-and-chain drive with a freewheel for coasting.
Project Hail Mary: a microscale spacecraft with a crank that sends the crew module into orbit.
Woodland Mushrooms, a forest floor scene with fly agaric mushrooms from the Botanicals line.
Floating Sea Otters: a mother sea otter with her pup on her belly, both posable.
Minifigure Vending Machine, which LEGO designed to recreate the look and working of a classic vending machine. Expected to leave LEGO's range at the end of 2027.
Small and easy to miss
Love LettersTwo small sets that are easy to overlook next to the bigger boxes.
Love Letters, heart decor that LEGO sells for Valentine's Day, rated 8+.
Water Lilies: a white lily with yellow accents and a pink one, rated 9+.
Retired curiosities
Minifigure FactoryThese promotional and seasonal sets from 2017 to 2019 have all retired and turn up only second hand. We do not quote values for them; check recent sold listings before you buy one.
Minifigure Factory, a 2018 promotional set that LEGO says celebrates 40 years of minifigures. Retired.
Iconic VIP Set, a 2017 set our catalog files under LEGO Brand Store. Retired.
Christmas Gift Box, a 2018 seasonal set. Retired.
Chinese New Year's Eve Dinner, from the 2019 Chinese Traditional Festivals sets. Retired.
Dragon Dance, from the same 2019 Chinese Traditional Festivals sets. Retired.
Dragon Boat Race, a 2019 set with two dragon boats and 15 minifigures. Retired.