LEGO 1x3x4 Wall Element Transparent Blue 3447-1
LEGO 1x3x4 Wall Element Transparent Blue (3447-1) is estimated at about $14 sealed as of Sep 2026 (retail $8). Retired · 25 pieces · 2000 Bulk Bricks.
- Set number
- 3447-1
- Theme
- Bulk Bricks
- Year
- 2000
- Pieces
- 25
- Minifigures
- 0
- RRP
- $8
- Market value
- $14 (Estimate, Sep 2026)
- Retirement
- Retired
1x3x4 Wall Element Transparent Blue value by year
From $9 in 2011 to $14 (Estimate, Sep 2026): +59%. Its highest year was 2025, at $14.
| Year | Value | Change |
|---|---|---|
| Estimate, Sep 2026 | $14 | +6.3% |
| 2026 (so far) | $13 | −2.6% |
| 2025 | $14 | +4.6% |
| 2024 | $13 | +0.8% |
| 2023 | $13 | −1.7% |
| 2022 | $13 | +1.1% |
| 2021 | $13 | +9.4% |
| 2020 | $12 | +7.3% |
| 2019 | $11 | +2.2% |
| 2018 | $11 | +2.3% |
| 2017 | $11 | +2.4% |
| 2016 | $10 | +2.4% |
| 2015 | $10 | +2.4% |
| 2014 | $10 | +2.6% |
| 2013 | $10 | +2.6% |
| 2012 | $9 | +2.6% |
| 2011 | $9 | — |
Median of each year's market prices, sealed, in US dollars.
Frequently asked questions
How much is LEGO 1x3x4 Wall Element Transparent Blue (3447-1) worth?
LEGO 1x3x4 Wall Element Transparent Blue is worth approximately $14 on the secondary market today, based on current listings and completed sales. BrickStats updates this value daily.
Is LEGO 1x3x4 Wall Element Transparent Blue retired?
Yes — 1x3x4 Wall Element Transparent Blue (3447-1) 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 1x3x4 Wall Element Transparent Blue gone up in value?
Yes. 1x3x4 Wall Element Transparent Blue launched at $8 and now trades around $14, an increase of 80.6%. See the price history chart for how it got there.
What is the price per piece for 1x3x4 Wall Element Transparent Blue?
At its $8 retail price across 25 pieces, 1x3x4 Wall Element Transparent Blue works out to about $0.320 per piece. Collectors often use price per piece to judge whether a set is good value.
Is LEGO 1x3x4 Wall Element Transparent Blue a good investment?
1x3x4 Wall Element Transparent Blue currently trades 80.6% above its $8 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 1x3x4 Wall Element Transparent Blue so expensive?
1x3x4 Wall Element Transparent Blue was released in 2000 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.