LEGO Crystal Detector 6159-1

LEGO Crystal Detector (6159-1) is worth about $122 on the secondary market today. It has 104 pieces, belongs to the Aquazone theme and was released in 1998. This set has retired — LEGO no longer produces it, so supply is fixed and prices are set entirely by the resale market.

LEGO Crystal Detector 6159-1
Set number
6159-1
Theme
Aquazone
Subtheme
Hydronauts
Year
1998
Pieces
104
Minifigures
1
Market value
$122
Used value
$36
Retirement
Retired

Minifigures in LEGO Crystal Detector

Crystal Detector value by year

From $54 in 2011 to $98 in 2026 so far: +84%. Its highest year was 2024, at $123.

YearValueChange
2026 (so far)$98−19.9%
2025$123+0.0%
2024$123+16.1%
2023$106+1.0%
2022$105+8.8%
2021$96+38.0%
2020$70−11.7%
2019$79−1.4%
2018$80+13.1%
2017$71+3.3%
2016$69+4.6%
2015$66+4.8%
2014$63+5.0%
2013$60+5.3%
2012$57+5.6%
2011$54—

Median of each year's market prices, sealed, in US dollars.

What you are paying for

Its 1 priced minifigure is worth about $17 together, roughly 14% of the set's value — about typical for sets with minifigures (typically 24%).

Frequently asked questions

How much is LEGO Crystal Detector (6159-1) worth?

LEGO Crystal Detector is worth approximately $122 on the secondary market today, based on current listings and completed sales. BrickStats updates this value daily.

Is LEGO Crystal Detector retired?

Yes — Crystal Detector (6159-1) 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 Crystal Detector so expensive?

Crystal Detector was released in 1998 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.

Related LEGO sets

See all Aquazone sets

See also