LEGO Duplo Building Set 1657-1
LEGO Duplo Building Set (1657-1) is estimated at about $34 sealed as of Sep 2026. Retired · 6 pieces · 1990 Duplo. Track its value and price history.
- Set number
- 1657-1
- Theme
- Duplo
- Year
- 1990
- Pieces
- 6
- Minifigures
- 0
- Market value
- $34 (Estimate, Sep 2026)
- Retirement
- Retired
Duplo Building Set value by year
From $18 in 2017 to $34 (Estimate, Sep 2026): +85%. Its highest year was 2026, at $31.
| Year | Value | Change |
|---|---|---|
| Estimate, Sep 2026 | $34 | +63.4% |
| 2026 (so far) | $31 | +47.6% |
| 2025 | $21 | +15.2% |
| 2024 | $18 | +0.0% |
| 2023 | $18 | +0.0% |
| 2022 | $18 | −3.4% |
| 2021 | $19 | +3.5% |
| 2020 | $18 | −1.3% |
| 2019 | $18 | −0.3% |
| 2018 | $18 | +0.2% |
| 2017 | $18 | — |
Median of each year's market prices, sealed, in US dollars.
Frequently asked questions
How much is LEGO Duplo Building Set (1657-1) worth?
LEGO Duplo Building Set is worth approximately $34 on the secondary market today, based on current listings and completed sales. BrickStats updates this value daily.
Is LEGO Duplo Building Set retired?
Yes — Duplo Building Set (1657-1) 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.
Why is LEGO Duplo Building Set so expensive?
Duplo Building Set was released in 1990 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.