LEGO Build My City Accessory Set 40170-1
LEGO Build My City Accessory Set (40170-1) is worth about $25 sealed (retail $10). Retired 2019 · 100 pieces · 2017 City. Track its value and price history.
- Set number
- 40170-1
- Theme
- City
- Subtheme
- Miscellaneous
- Year
- 2017
- Pieces
- 100
- Minifigures
- 0
- RRP
- $10
- Market value
- $25
- Used value
- $9
- Released
- 2017
- Retirement
- Retired in 2019
Build My City Accessory Set value by year
From $16 in 2017 to $25 today: +55%. Its highest year was 2024, at $22.
| Year | Value | Change |
|---|---|---|
| Today | $25 | +22.2% |
| 2026 (so far) | $22 | +8.3% |
| 2025 | $20 | −8.3% |
| 2024 | $22 | +4.8% |
| 2023 | $21 | +21.8% |
| 2022 | $17 | +15.2% |
| 2021 | $15 | +18.8% |
| 2020 | $13 | +3.0% |
| 2019 | $12 | −7.8% |
| 2018 | $13 | −16.9% |
| 2017 | $16 | — |
Median of each year's market prices, sealed, in US dollars.
Frequently asked questions
How much is LEGO Build My City Accessory Set (40170-1) worth?
LEGO Build My City Accessory Set is worth approximately $25 on the secondary market today, based on current listings and completed sales. BrickStats updates this value daily.
Is LEGO Build My City Accessory Set retired?
Yes — Build My City Accessory Set (40170-1) has been retired by LEGO and is no longer in production. Retired sets have fixed supply, which is why their prices are driven purely by the resale market.
Has LEGO Build My City Accessory Set gone up in value?
Yes. Build My City Accessory Set launched at $10 and now trades around $25, an increase of 150.2%. See the price history chart for how it got there.
What is the price per piece for Build My City Accessory Set?
At its $10 retail price across 100 pieces, Build My City Accessory Set works out to about $0.100 per piece. Collectors often use price per piece to judge whether a set is good value.
Is LEGO Build My City Accessory Set a good investment?
Build My City Accessory Set currently trades 150.2% above its $10 retail price, and it is retired, so no new supply is entering the market. Past performance is not a prediction — condition, packaging and how long you hold all affect what a set actually sells for. BrickStats reports the numbers rather than giving investment advice.
Why is LEGO Build My City Accessory Set so expensive?
Build My City Accessory Set was released in 2017 and has since retired. Once LEGO stops producing a set, the only supply is what is already in circulation, so sealed copies in good condition compete for a shrinking pool of stock. That scarcity, not the parts, is what moves the price.