LEGO 8 Curved Rails Gray 4.5v (7851-1) is a 1980 set from the 4.5V theme with 32 pieces.
Why collectors care
8 Curved Rails Gray 4.5v (7851-1) is part of the LEGO collecting graph through 4.5V from 1980, with 32 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.
8 Curved Rails Gray 4.5v is a lego collectible connected to LEGO and 4.5V. Useful collector signals include release year 1980, set number 7851-1, and 32 pcs. 4.5V has 88 catalogued releases on GrailHub, making this page a route into completion, variants, and nearby objects.
Save this decision
Save this to decide later, compare nearby releases, or track the series as your shelf grows.
Compare variants
Research elsewhere
External links are for research only. GrailHub is not a marketplace or appraisal service.
Track this item in your collection
Save it as owned, wanted, or a grail now. You can add it to a visual shelf later.
Collector notes
8 Curved Rails Gray 4.5v (7851-1) is a LEGO 4.5V release from 1980 with 32 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 4.5V, 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 Crane Wagon, Manual Road Crossing, and Push-Along Passenger Steam Train. These links make it easier to keep exploring without jumping back to a generic search page.
Series context
4.5V
4.5V 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
- 88 objects
- Release span
- 1966-1985
Nearby in this lane
Collection tracking
Start tracking 4.5V
Use Owned, Wanted, and Grail to turn browsing into your collector map.
0
Owned
0
Wanted
0
Grails
0%
Complete
Quick facts
Market snapshot
BrickEconomy valuation
- Retail price
- $9.25
- New/sealed value
- $19.77
- Used value
- $6.77
- Annual growth
- 2.5%
- 12-month growth
- 4.5%
- 2-year forecast
- $20.43
- 5-year forecast
- $21.42
Market data from BrickEconomy · Last updated Jul 22, 2026
Market data is informational and may be incomplete. GrailHub is not a marketplace or appraisal service.
Lifecycle
Retired
Availability
Retail
Original retail prices
Recent new/sealed events
Recent used events
Data source
- Source
- Rebrickable
- Source ID
- 7851-1
- Source URL
- View on Rebrickable
LEGO catalogue data provided by Rebrickable.
Related objects
More from 4.5V
Continue through the collecting graph by theme, maker, and category.