LEGO Ultimate Accessory Set 3801-1
LEGO Ultimate Accessory Set (3801-1) is worth about $170 on the secondary market today, against a $95 retail price. It has 45 pieces, belongs to the Mindstorms theme and was released in 2000. This set has retired — LEGO no longer produces it, so supply is fixed and prices are set entirely by the resale market.
- Set number
- 3801-1
- Theme
- Mindstorms
- Subtheme
- 1.5
- Year
- 2000
- Pieces
- 45
- Minifigures
- 0
- RRP
- $95
- Market value
- $170
- Retirement
- Retired
Ultimate Accessory Set value by year
From $46 in 2017 to $74 in 2026 so far: +60%. Its highest year was 2022, at $84.
| Year | Value | Change |
|---|---|---|
| 2026 (so far) | $74 | +25.0% |
| 2025 | $59 | −3.7% |
| 2024 | $61 | −20.9% |
| 2023 | $77 | −8.1% |
| 2022 | $84 | +15.5% |
| 2021 | $73 | +0.0% |
| 2020 | $73 | +2.0% |
| 2019 | $72 | −4.8% |
| 2018 | $75 | +63.3% |
| 2017 | $46 | — |
Median of each year's market prices, sealed, in US dollars.
Frequently asked questions
How much is LEGO Ultimate Accessory Set (3801-1) worth?
LEGO Ultimate Accessory Set is worth approximately $170 on the secondary market today, based on current listings and completed sales. BrickStats updates this value daily.
Is LEGO Ultimate Accessory Set retired?
Yes — Ultimate Accessory Set (3801-1) 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 Ultimate Accessory Set gone up in value?
Yes. Ultimate Accessory Set launched at $95 and now trades around $170, an increase of 78.9%. See the price history chart for how it got there.
What is the price per piece for Ultimate Accessory Set?
At its $95 retail price across 45 pieces, Ultimate Accessory Set works out to about $2.111 per piece. Collectors often use price per piece to judge whether a set is good value.
Is LEGO Ultimate Accessory Set a good investment?
Ultimate Accessory Set currently trades 78.9% above its $95 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 Ultimate Accessory Set so expensive?
Ultimate Accessory Set was released in 2000 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.