The LEGO Build My City Accessory Set (40170) is a neat little set, clocking in at 100 pieces. Released in 2017 as part of the City collection, it retails for $9.99.
You're looking at $0.100 per piece, which holds up well against other City sets.
LEGO exclusives like the Build My City Accessory Set tend to fly under the radar at first, but their limited availability makes them interesting long-term holds.
Key Features
100 pieces — Quick, focused build that's fun without the time commitment
LEGO Exclusive — Limited distribution that typically drives stronger aftermarket value
$0.100 per piece — Better value than the City average
From 2017 — Modern LEGO design and packaging quality
Theme Background
As a 2017 addition to City, the Build My City Accessory Set slots into the more affordable side of City. City is consistently one of the top-performing LEGO themes, and at $9.99 this set is priced accordingly. Price-per-piece comes in at $0.100, which is reasonable for what City typically runs.
The City theme has a broad appeal that crosses over between builders, collectors, and investors. The Build My City Accessory Set fits comfortably into that ecosystem at its price point.
Why This Set Is Special
150% above retail. Now trading at $24.99, up 150% from $9.99 RRP — a 14% annualized return over 7.2 years since retirement.
Strong part-out value at 1.6x — Parts are worth $16.04 vs $9.99 retail (1.6x ratio). Theme average is 1.5x.
LEGO Exclusive — Only available through LEGO.com and official LEGO stores — limited distribution that typically drives stronger post-retirement appreciation.
Frequently Asked Questions
[{"q": "How many pieces are in the LEGO Build My City Accessory Set (40170)?", "a": "The LEGO Build My City Accessory Set (40170) contains 100 pieces, making it a smaller set."}, {"q": "How much does the LEGO Build My City Accessory Set (40170) cost?", "a": "The retail price (MSRP) for the LEGO Build My City Accessory Set (40170) is $9.99 in the United States. Regional pricing is \u00a37.99 in the UK, CA$11.99 in Canada, \u20ac9.99 in Europe. This works out to $0.10 per piece. That places it in the top 25% of City sets for value \u2014 you get a lot of pieces for the price you pay. As a LEGO exclusive, this set is only available directly through LEGO stores and LEGO.com."}, {"q": "Is the LEGO Build My City Accessory Set (40170) a good investment?", "a": "The LEGO Build My City Accessory Set (40170) shows favorable investment potential based on several factors. Key investment signals include: limited distribution as a LEGO exclusive, excellent price-per-piece value. City 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": "How big is the LEGO Build My City Accessory Set (40170)?", "a": "The LEGO Build My City Accessory Set (40170) measures approximately 16.5cm \u00d7 12.0cm \u00d7 4.5cm (W\u00d7H\u00d7D). It makes for a great display piece that won't take up too much shelf space."}, {"q": "Is the LEGO Build My City Accessory Set (40170) still available?", "a": "The LEGO Build My City Accessory Set (40170) retired on December 31, 2018 and is no longer available at retail. You can find this set on secondary markets including Amazon, eBay, and BrickLink. Retired City 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 Build My City Accessory Set (40170)?", "a": "The LEGO Build My City Accessory Set (40170) 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."}]
