LEGO Basic Building Set, 5+ 577-1
LEGO Basic Building Set, 5+ (577-1) is worth about $127 on the secondary market today, against a $137 retail price. It has 384 pieces, belongs to the Basic theme and was released in 1981. This set has retired — LEGO no longer produces it, so supply is fixed and prices are set entirely by the resale market.
- Set number
- 577-1
- Theme
- Basic
- Year
- 1981
- Pieces
- 384
- Minifigures
- 2
- RRP
- $137
- Market value
- $127
- Used value
- $31
- Retirement
- Retired
Minifigures in LEGO Basic Building Set, 5+
Basic Building Set, 5+ value by year
From $89 in 2011 to $120 in 2026 so far: +35%. Its highest year was 2023, at $179.
| Year | Value | Change |
|---|---|---|
| 2026 (so far) | $120 | +0.2% |
| 2025 | $119 | −12.2% |
| 2024 | $136 | −24.0% |
| 2023 | $179 | +2.8% |
| 2022 | $174 | +50.5% |
| 2021 | $116 | +5.9% |
| 2020 | $109 | +3.6% |
| 2019 | $105 | +3.3% |
| 2018 | $102 | +1.9% |
| 2017 | $100 | +2.2% |
| 2016 | $98 | +1.6% |
| 2015 | $96 | +2.0% |
| 2014 | $95 | +2.0% |
| 2013 | $93 | +2.1% |
| 2012 | $91 | +2.1% |
| 2011 | $89 | — |
Median of each year's market prices, sealed, in US dollars.
What you are paying for
Its 2 priced minifigures are worth about $14 together, roughly 11% of the set's value — low for sets with minifigures, so the value is in the sealed set rather than the figures (typically 24%).
Frequently asked questions
How much is LEGO Basic Building Set, 5+ (577-1) worth?
LEGO Basic Building Set, 5+ is worth approximately $127 on the secondary market today, based on current listings and completed sales. BrickStats updates this value daily.
Is LEGO Basic Building Set, 5+ retired?
Yes — Basic Building Set, 5+ (577-1) 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.
Has LEGO Basic Building Set, 5+ gone up in value?
Not currently. Basic Building Set, 5+ launched at $137 and trades around $127 today, 7.6% below its retail price. The price history chart shows the full trend.
What is the price per piece for Basic Building Set, 5+?
At its $137 retail price across 384 pieces, Basic Building Set, 5+ works out to about $0.357 per piece. Collectors often use price per piece to judge whether a set is good value.
Is LEGO Basic Building Set, 5+ a good investment?
Basic Building Set, 5+ currently trades 7.6% below its $137 retail price, and it is retired, so no new supply is entering the market. Past performance is not a prediction — condition, packaging and how long you hold all affect what a set actually sells for. BrickStats reports the numbers rather than giving investment advice.
Why is LEGO Basic Building Set, 5+ so expensive?
Basic Building Set, 5+ was released in 1981 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.