LEGO Chromosomes - Student Set 9743-1
LEGO Chromosomes - Student Set (9743-1) is worth about $146 on the secondary market today. It has 136 pieces, belongs to the Education theme and was released in 2003. This set has retired — LEGO no longer produces it, so supply is fixed and prices are set entirely by the resale market.
- Set number
- 9743-1
- Theme
- Education
- Subtheme
- System
- Year
- 2003
- Pieces
- 136
- Minifigures
- 0
- Market value
- $146
- Retirement
- Retired
Chromosomes - Student Set value by year
From $81 in 2003 to $177 in 2026 so far: +119%. Its highest year was 2021, at $193.
| Year | Value | Change |
|---|---|---|
| 2026 (so far) | $177 | −2.5% |
| 2025 | $182 | +33.7% |
| 2024 | $136 | +33.4% |
| 2023 | $102 | −3.0% |
| 2022 | $105 | −45.5% |
| 2021 | $193 | +36.6% |
| 2020 | $141 | −3.8% |
| 2019 | $147 | −6.1% |
| 2018 | $156 | +38.7% |
| 2017 | $113 | −2.7% |
| 2016 | $116 | +7.2% |
| 2015 | $108 | −30.8% |
| 2014 | $156 | +87.1% |
| 2013 | $83 | −15.1% |
| 2012 | $98 | +27.9% |
| 2011 | $77 | +0.0% |
| 2010 | $77 | −32.5% |
| 2009 | $114 | +28.8% |
| 2008 | $88 | +15.0% |
| 2007 | $77 | −26.4% |
| 2006 | $104 | +35.8% |
| 2005 | $77 | −18.9% |
| 2004 | $95 | +17.1% |
| 2003 | $81 | — |
Median of each year's market prices, sealed, in US dollars.
Frequently asked questions
How much is LEGO Chromosomes - Student Set (9743-1) worth?
LEGO Chromosomes - Student Set is worth approximately $146 on the secondary market today, based on current listings and completed sales. BrickStats updates this value daily.
Is LEGO Chromosomes - Student Set retired?
Yes — Chromosomes - Student Set (9743-1) 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 Chromosomes - Student Set so expensive?
Chromosomes - Student Set was released in 2003 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.