LEGO Basic Building Set (4122-1) is a 2000 set from the Classic Basic theme with 201 pieces.
Why collectors care
Basic Building Set (4122-1) is part of the LEGO collecting graph through Classic Basic from 2000, with 201 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.
Basic Building Set is a lego collectible connected to LEGO and Classic Basic. Useful collector signals include release year 2000, set number 4122-1, and 201 pcs. Classic Basic has 52 catalogued releases on GrailHub, making this page a route into completion, variants, and nearby objects.
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Collector notes
Basic Building Set (4122-1) is a LEGO Classic Basic release from 2000 with 201 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 Classic Basic, 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 Aircraft, Boat, and Car. These links make it easier to keep exploring without jumping back to a generic search page.
Series context
Classic Basic
Classic Basic 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
- 52 objects
- Release span
- 1998-2000
Nearby in this lane
Collection tracking
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Owned
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Wanted
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Grails
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Complete
Quick facts
- Set number
- 4122-1
- Release year
- 2000
- Piece count
- 201 pcs
- Theme / series
- Classic Basic
- Brand
- LEGO
- Category
- LEGO
Market snapshot
BrickEconomy valuation
- Retail price
- $19.99
- New/sealed value
- $31.58
- Used value
- $12.12
- 2-year forecast
- $33.44
- 5-year forecast
- $36.17
Market data from BrickEconomy · Last updated Aug 8, 2026
Market data is informational and may be incomplete. GrailHub is not a marketplace or appraisal service.
Lifecycle
Retired
Availability
Retaillimited
Original retail prices
EAN
5702012014635
Recent new/sealed events
Data source
- Source
- Rebrickable
- Source ID
- 4122-1
- Source URL
- View on Rebrickable
LEGO catalogue data provided by Rebrickable.
Related objects
More from Classic Basic
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