LEGO Harry Potter Key Chain 4227842-1
LEGO Harry Potter Key Chain (4227842-1) is estimated at about $13 sealed as of Sep 2026. Retired · 2004 Gear. Track its value and price history.
- Set number
- 4227842-1
- Theme
- Gear
- Subtheme
- Key Chains/Harry Potter
- Year
- 2004
- Minifigures
- 0
- Market value
- $13 (Estimate, Sep 2026)
- Retirement
- Retired
Harry Potter Key Chain value by year
From $7 in 2011 to $13 (Estimate, Sep 2026): +88%. Its highest year was 2025, at $11.
| Year | Value | Change |
|---|---|---|
| Estimate, Sep 2026 | $13 | +12.6% |
| 2026 (so far) | $10 | −9.1% |
| 2025 | $11 | +1.4% |
| 2024 | $11 | +10.9% |
| 2023 | $10 | −5.8% |
| 2022 | $11 | −5.3% |
| 2021 | $11 | +8.3% |
| 2020 | $10 | +3.0% |
| 2019 | $10 | +4.4% |
| 2018 | $10 | +4.4% |
| 2017 | $9 | +4.7% |
| 2016 | $9 | +4.9% |
| 2015 | $8 | +5.1% |
| 2014 | $8 | +5.6% |
| 2013 | $8 | +5.8% |
| 2012 | $7 | +6.3% |
| 2011 | $7 | — |
Median of each year's market prices, sealed, in US dollars.
Frequently asked questions
How much is LEGO Harry Potter Key Chain (4227842-1) worth?
LEGO Harry Potter Key Chain is worth approximately $13 on the secondary market today, based on current listings and completed sales. BrickStats updates this value daily.
Is LEGO Harry Potter Key Chain retired?
Yes — Harry Potter Key Chain (4227842-1) 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 Harry Potter Key Chain so expensive?
Harry Potter Key Chain was released in 2004 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.