LEGO Sea Serpent (6057-1) is a 1992 set from the Black Knights theme with 128 pieces.
Why collectors care
Sea Serpent (6057-1) is part of the LEGO collecting graph through Black Knights from 1992, with 128 pcs. LEGO collectors usually browse by theme, set number, release era, and display value, so this page keeps those paths close.
Collector summary
Decide where this fits.
Sea Serpent is a lego collectible connected to LEGO and Black Knights. Useful collector signals include release year 1992, set number 6057-1, and 128 pcs. Black Knights has 14 catalogued releases on GrailHub, making this page a route into completion, variants, and nearby objects.
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Collector notes
Sea Serpent (6057-1) is a LEGO Black Knights release from 1992 with 128 pcs. GrailHub tracks it as part of the LEGO collecting lane, where set number, theme, release year, piece count, and display appeal all help collectors understand how the set fits on a shelf.
LEGO collectors often browse by theme first, so this page links back into Black Knights, LEGO, and related LEGO objects. Use those links to compare nearby releases, find other display sets, or move from a single set into the wider theme.
Related LEGO entries currently connected to this object include Stone Bomber, Black Knight's Battering Ram, and Black Knights Boat. These links make it easier to keep exploring without jumping back to a generic search page.
Series context
Black Knights
Black Knights groups related lego entries from LEGO, so collectors can move from this object into nearby releases instead of treating it as a standalone record.
- Catalogued here
- 14 objects
- Release span
- 1988-1998
Nearby in this lane
Collection tracking
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Quick facts
- Set number
- 6057-1
- Release year
- 1992
- Piece count
- 128 pcs
- Theme / series
- Black Knights
- Brand
- LEGO
- Category
- LEGO
Market snapshot
BrickEconomy valuation
- Retail price
- $14.50
- New/sealed value
- $432.78
- Used value
- $74.95
- Annual growth
- -0.3%
- 12-month growth
- 2.0%
- 2-year forecast
- $455.28
- 5-year forecast
- $514.09
Market data from BrickEconomy · Last updated Jul 30, 2026
Market data is informational and may be incomplete. GrailHub is not a marketplace or appraisal service.
Lifecycle
Retired
Released
Mar 1, 1992
Availability
Retail
Original retail prices
Minifigures
5 included
UPC
042884060572
Recent new/sealed events
Recent used events
Data source
- Source
- Rebrickable
- Source ID
- 6057-1
- Source URL
- View on Rebrickable
LEGO catalogue data provided by Rebrickable.
Related objects
More from Black Knights
Continue through the collecting graph by theme, maker, and category.