With 471 pieces, the LEGO Flatiron Building (21023) is a quick but satisfying build. It launched in 2015 under the Architecture banner at $39.99.
You're looking at $0.085 per piece, which holds up well against other Architecture sets.
For the price point, the Flatiron Building delivers a clean Architecture build that's easy to recommend.
Key Features
471 pieces — Compact and purpose-built — great for a quick session
$0.085 per piece — Strong price-per-piece for this theme
Landmark Series collection — Sought-after corner of the Architecture lineup
From 2015 — Modern LEGO design and packaging quality
Theme Background
As a 2015 addition to Architecture, part of the Landmark Series subcollection, the Flatiron Building slots into the more affordable side of Architecture. Architecture is part of LEGO's broader product lineup, and at $39.99 this set is priced accordingly. At $0.085 per piece, it punches above its weight on value.
Collectors following Architecture specifically should note the Landmark Series subtheme — it's a category that tends to draw attention and hold value, especially as sets in this tier age out of production.
Why This Set Is Special
This is a standard release in the Architecture lineup without standout collector characteristics based on current data.
Frequently Asked Questions
[{"q": "How many pieces are in the LEGO Flatiron Building (21023)?", "a": "The LEGO Flatiron Building (21023) contains 471 pieces, making it a smaller set."}, {"q": "How much does the LEGO Flatiron Building (21023) cost?", "a": "The retail price (MSRP) for the LEGO Flatiron Building (21023) is $39.99 in the United States. Regional pricing is \u00a334.99 in the UK, CA$49.99 in Canada, \u20ac39.99 in Europe. This works out to $0.09 per piece. This is a competitive price-per-piece for the Architecture theme, offering a good balance of piece count and build quality for the price."}, {"q": "Is the LEGO Flatiron Building (21023) a good investment?", "a": "The LEGO Flatiron Building (21023) shows moderate investment potential based on several factors. Architecture sets have historically been among the best-performing themes for post-retirement appreciation. As with any LEGO investment, buying at or below retail price maximizes potential returns. Use the BrickBucks price tracker to find the best entry point."}, {"q": "What age is the LEGO Flatiron Building (21023) suitable for?", "a": "The LEGO Flatiron Building (21023) is recommended for ages 12+. This strikes a nice balance between complexity and accessibility, suitable for older children and teens building with or without supervision."}, {"q": "How big is the LEGO Flatiron Building (21023)?", "a": "The LEGO Flatiron Building (21023) measures approximately 19.1cm \u00d7 26.2cm \u00d7 6.1cm (W\u00d7H\u00d7D) and weighs 0.47kg. It makes for a great display piece that won't take up too much shelf space."}, {"q": "Is the LEGO Flatiron Building (21023) still available?", "a": "The LEGO Flatiron Building (21023) retired on December 31, 2016 and is no longer available at retail. You can find this set on secondary markets including Amazon, eBay, and BrickLink. Retired Architecture sets often trade at a premium above their original retail price, with demand typically increasing over time as sealed inventory decreases."}, {"q": "Where can I buy the LEGO Flatiron Building (21023)?", "a": "The LEGO Flatiron Building (21023) is retired and only available on secondary markets. Check Amazon, eBay, and BrickLink for current listings. Use the BrickBucks price tracker to compare prices across retailers and find the best deal."}]
