LEGO Basic Building Set 066-1
LEGO Basic Building Set (066-1) is worth about $235 on the secondary market today. It has 407 pieces, belongs to the System theme and was released in 1968. This set has retired — LEGO no longer produces it, so supply is fixed and prices are set entirely by the resale market.
- Set number
- 066-1
- Theme
- System
- Subtheme
- Basic Set
- Year
- 1968
- Pieces
- 407
- Minifigures
- 0
- Market value
- $235
- Used value
- $265
- Retirement
- Retired
Basic Building Set value by year
From $10 in 1968 to $235 in 2026 so far: +2214%. Its highest year was 2026, at $235.
| Year | Value | Change |
|---|---|---|
| 2026 (so far) | $235 | +2214.5% |
| 1968 | $10 | — |
Median of each year's market prices, sealed, in US dollars.
Frequently asked questions
How much is LEGO Basic Building Set (066-1) worth?
LEGO Basic Building Set is worth approximately $235 on the secondary market today, based on current listings and completed sales. BrickStats updates this value daily.
Is LEGO Basic Building Set retired?
Yes — Basic Building Set (066-1) 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 Basic Building Set so expensive?
Basic Building Set was released in 1968 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.