LEGO Invincible Iron Man Key Chain 853706-1
LEGO Invincible Iron Man Key Chain (853706-1) is estimated at about $11 sealed as of Sep 2026 (retail $6). Retired · 2017 Gear.
- Set number
- 853706-1
- Theme
- Gear
- Subtheme
- Key Chains/Super Heroes
- Year
- 2017
- Minifigures
- 0
- RRP
- $6
- Market value
- $11 (Estimate, Sep 2026)
- Released
- 2017
- Retirement
- Retired
Invincible Iron Man Key Chain value by year
From $5 in 2017 to $11 (Estimate, Sep 2026): +144%. Its highest year was 2024, at $12.
| Year | Value | Change |
|---|---|---|
| Estimate, Sep 2026 | $11 | +0.7% |
| 2026 (so far) | $11 | +0.7% |
| 2025 | $11 | −4.4% |
| 2024 | $12 | +7.1% |
| 2023 | $11 | +33.4% |
| 2022 | $8 | +0.9% |
| 2021 | $8 | +31.9% |
| 2020 | $6 | +16.6% |
| 2019 | $5 | +6.4% |
| 2018 | $5 | +7.6% |
| 2017 | $5 | — |
Median of each year's market prices, sealed, in US dollars.
Frequently asked questions
How much is LEGO Invincible Iron Man Key Chain (853706-1) worth?
LEGO Invincible Iron Man Key Chain is worth approximately $11 on the secondary market today, based on current listings and completed sales. BrickStats updates this value daily.
Is LEGO Invincible Iron Man Key Chain retired?
Yes — Invincible Iron Man Key Chain (853706-1) 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 Invincible Iron Man Key Chain gone up in value?
Yes. Invincible Iron Man Key Chain launched at $6 and now trades around $11, an increase of 88.5%. See the price history chart for how it got there.
Is LEGO Invincible Iron Man Key Chain a good investment?
Invincible Iron Man Key Chain currently trades 88.5% above its $6 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 Invincible Iron Man Key Chain so expensive?
Invincible Iron Man Key Chain 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.