LEGO Control System Building Set 9702-1
LEGO Control System Building Set (9702-1) is worth about $148 on the secondary market today. It has 221 pieces, belongs to the Dacta theme and was released in 1993. This set has retired — LEGO no longer produces it, so supply is fixed and prices are set entirely by the resale market.
- Set number
- 9702-1
- Theme
- Dacta
- Subtheme
- Technic
- Year
- 1993
- Pieces
- 221
- Minifigures
- 2
- Market value
- $148
- Used value
- $75
- Retirement
- Retired
Minifigures in LEGO Control System Building Set
Control System Building Set value by year
From $65 in 1993 to $138 in 2026 so far: +112%. Its highest year was 2003, at $138.
| Year | Value | Change |
|---|---|---|
| 2026 (so far) | $138 | +3.0% |
| 2025 | $134 | +1.3% |
| 2024 | $132 | +6.3% |
| 2023 | $124 | −4.3% |
| 2022 | $130 | +3.1% |
| 2021 | $126 | +1.4% |
| 2020 | $124 | +1.9% |
| 2019 | $122 | +1.9% |
| 2018 | $119 | +2.5% |
| 2017 | $116 | +3.8% |
| 2016 | $112 | +0.4% |
| 2015 | $112 | +2.1% |
| 2014 | $109 | +2.2% |
| 2013 | $107 | +2.2% |
| 2012 | $105 | +1.7% |
| 2011 | $103 | −16.8% |
| 2010 | $124 | +0.4% |
| 2009 | $123 | +1.7% |
| 2008 | $121 | +17.2% |
| 2007 | $103 | −10.8% |
| 2006 | $116 | −11.6% |
| 2005 | $131 | +33.1% |
| 2004 | $99 | −28.6% |
| 2003 | $138 | +30.1% |
| 2002 | $106 | −9.1% |
| 2001 | $117 | −12.0% |
| 2000 | $133 | +51.6% |
| 1999 | $88 | −15.8% |
| 1998 | $104 | −13.5% |
| 1997 | $120 | +50.1% |
| 1996 | $80 | −13.1% |
| 1995 | $92 | −7.6% |
| 1994 | $100 | +53.9% |
| 1993 | $65 | — |
Median of each year's market prices, sealed, in US dollars.
What you are paying for
Its 2 priced minifigures are worth about $9 together, roughly 6% of the set's value — low for sets with minifigures, so the value is in the sealed set rather than the figures (typically 24%).
Frequently asked questions
How much is LEGO Control System Building Set (9702-1) worth?
LEGO Control System Building Set is worth approximately $148 on the secondary market today, based on current listings and completed sales. BrickStats updates this value daily.
Is LEGO Control System Building Set retired?
Yes — Control System Building Set (9702-1) 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 Control System Building Set so expensive?
Control System Building Set was released in 1993 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.