LEGO Reznor Knockdown 71390-1
LEGO Reznor Knockdown (71390-1) is worth about $50 sealed (retail $70). Retired 2023 · 862 pieces · 2021 Super Mario. Track its value and price history.
Expansion Set for Reznor-spinning, Blue Toad-rescuing action
- Set number
- 71390-1
- Theme
- Super Mario
- Subtheme
- Expansion Set
- Year
- 2021
- Pieces
- 862
- Minifigures
- 4
- RRP
- $70
- Market value
- $50
- Used value
- $27
- Released
- 2021
- Retirement
- Retired in 2023
Minifigures in LEGO Reznor Knockdown
LEGO Reznor Knockdown at LEGO: release to today
- Nov 9, 2026: Retired at LEGO Poland
- Nov 9, 2026: Retired at LEGO Sweden
- Nov 7, 2026: Retired at LEGO Ireland
- Nov 6, 2026: Retired at LEGO Spain
- Nov 6, 2026: Retired at LEGO France
- Nov 6, 2026: Retired at LEGO UK
- Nov 6, 2026: Retired at LEGO Netherlands
- Nov 6, 2026: Retired at LEGO Germany
- 2021: released
What LEGO.com showed, checked daily in the US and eight European stores.
Reznor Knockdown value by year
From $75 in 2021 to $50 today: −33%. Its highest year was 2021, at $75.
| Year | Value | Change |
|---|---|---|
| Today | $50 | −24.2% |
| 2026 (so far) | $66 | −0.3% |
| 2025 | $66 | −8.7% |
| 2024 | $72 | −2.4% |
| 2023 | $74 | −0.8% |
| 2022 | $75 | +0.0% |
| 2021 | $75 | — |
Median of each year's market prices, sealed, in US dollars.
What you are paying for
Its 4 priced minifigures are worth about $17 together, roughly 34% of the set's value — about typical for sets with minifigures (typically 24%).
Frequently asked questions
How much is LEGO Reznor Knockdown (71390-1) worth?
LEGO Reznor Knockdown is worth approximately $50 on the secondary market today, based on current listings and completed sales. BrickStats updates this value daily.
Is LEGO Reznor Knockdown retired?
Yes — Reznor Knockdown (71390-1) 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 Reznor Knockdown gone up in value?
Not currently. Reznor Knockdown launched at $70 and trades around $50 today, 28.6% below its retail price. The price history chart shows the full trend.
What is the price per piece for Reznor Knockdown?
At its $70 retail price across 862 pieces, Reznor Knockdown works out to about $0.081 per piece. Collectors often use price per piece to judge whether a set is good value.
Is LEGO Reznor Knockdown a good investment?
Reznor Knockdown currently trades 28.6% below its $70 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 Reznor Knockdown so expensive?
Reznor Knockdown was released in 2021 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.