LEGO Space Wings, Sloping Frames, Space Motors and Seats 5173-1
LEGO Space Wings, Sloping Frames, Space Motors and Seats (5173-1) is estimated at about $31 sealed as of Sep 2026 (retail $3).
- Set number
- 5173-1
- Theme
- Service Packs
- Subtheme
- Space
- Year
- 1987
- Pieces
- 19
- Minifigures
- 0
- RRP
- $3
- Market value
- $31 (Estimate, Sep 2026)
- Used value
- $9
- Retirement
- Retired
Space Wings, Sloping Frames, Space Motors and Seats value by year
From $19 in 2016 to $31 (Estimate, Sep 2026): +64%. Its highest year was 2023, at $30.
| Year | Value | Change |
|---|---|---|
| Estimate, Sep 2026 | $31 | +16.5% |
| 2026 (so far) | $27 | +1.6% |
| 2025 | $27 | −6.0% |
| 2024 | $28 | −5.1% |
| 2023 | $30 | +22.9% |
| 2022 | $24 | +2.8% |
| 2021 | $24 | +2.8% |
| 2020 | $23 | −2.9% |
| 2019 | $24 | +7.0% |
| 2018 | $22 | +6.8% |
| 2017 | $21 | +9.8% |
| 2016 | $19 | — |
Median of each year's market prices, sealed, in US dollars.
Frequently asked questions
How much is LEGO Space Wings, Sloping Frames, Space Motors and Seats (5173-1) worth?
LEGO Space Wings, Sloping Frames, Space Motors and Seats is worth approximately $31 on the secondary market today, based on current listings and completed sales. BrickStats updates this value daily.
Is LEGO Space Wings, Sloping Frames, Space Motors and Seats retired?
Yes — Space Wings, Sloping Frames, Space Motors and Seats (5173-1) 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 Space Wings, Sloping Frames, Space Motors and Seats gone up in value?
Yes. Space Wings, Sloping Frames, Space Motors and Seats launched at $3 and now trades around $31, an increase of 1024.7%. See the price history chart for how it got there.
What is the price per piece for Space Wings, Sloping Frames, Space Motors and Seats?
At its $3 retail price across 19 pieces, Space Wings, Sloping Frames, Space Motors and Seats works out to about $0.145 per piece. Collectors often use price per piece to judge whether a set is good value.
Is LEGO Space Wings, Sloping Frames, Space Motors and Seats a good investment?
Space Wings, Sloping Frames, Space Motors and Seats currently trades 1024.7% above its $3 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 Space Wings, Sloping Frames, Space Motors and Seats so expensive?
Space Wings, Sloping Frames, Space Motors and Seats was released in 1987 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.