LEGO Tri-Bike 3531-1
LEGO Tri-Bike (3531-1) is worth about $30 on the secondary market today. It has 29 pieces, belongs to the Znap theme and was released in 1998. This set has retired — LEGO no longer produces it, so supply is fixed and prices are set entirely by the resale market.
- Set number
- 3531-1
- Theme
- Znap
- Year
- 1998
- Pieces
- 29
- Minifigures
- 0
- Market value
- $30
- Used value
- $5
- Released
- 1998
- Retirement
- Retired in 1999
Tri-Bike value by year
From $7 in 2017 to $27 in 2026 so far: +271%. Its highest year was 2026, at $27.
| Year | Value | Change |
|---|---|---|
| 2026 (so far) | $27 | +3.4% |
| 2025 | $26 | +4.0% |
| 2024 | $25 | +0.8% |
| 2023 | $25 | +3.0% |
| 2022 | $24 | +1.3% |
| 2021 | $24 | +7.2% |
| 2020 | $22 | −0.3% |
| 2019 | $22 | +5.7% |
| 2018 | $21 | +190.8% |
| 2017 | $7 | — |
Median of each year's market prices, sealed, in US dollars.
Frequently asked questions
How much is LEGO Tri-Bike (3531-1) worth?
LEGO Tri-Bike is worth approximately $30 on the secondary market today, based on current listings and completed sales. BrickStats updates this value daily.
Is LEGO Tri-Bike retired?
Yes — Tri-Bike (3531-1) 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 Tri-Bike so expensive?
Tri-Bike was released in 1998 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.