LEGO Adventurer - Johnny Thunder 5900-1
LEGO Adventurer - Johnny Thunder (5900-1) is worth about $26 on the secondary market today, against a $9 retail price. It has 13 pieces, belongs to the Adventurers theme and was released in 1998. This set has retired — LEGO no longer produces it, so supply is fixed and prices are set entirely by the resale market.
- Set number
- 5900-1
- Theme
- Adventurers
- Subtheme
- Desert
- Year
- 1998
- Pieces
- 13
- Minifigures
- 1
- RRP
- $9
- Market value
- $26
- Used value
- $9
- Released
- 1998
- Retirement
- Retired
Minifigures in LEGO Adventurer - Johnny Thunder
Adventurer - Johnny Thunder value by year
From $9 in 2016 to $26 in 2026 so far: +206%. Its highest year was 2026, at $26.
| Year | Value | Change |
|---|---|---|
| 2026 (so far) | $26 | +6.2% |
| 2025 | $25 | +2.4% |
| 2024 | $24 | +35.1% |
| 2023 | $18 | +35.7% |
| 2022 | $13 | +4.3% |
| 2021 | $13 | −10.7% |
| 2020 | $14 | +40.1% |
| 2019 | $10 | −15.8% |
| 2018 | $12 | +30.7% |
| 2017 | $9 | +6.9% |
| 2016 | $9 | — |
Median of each year's market prices, sealed, in US dollars.
What you are paying for
Its 1 priced minifigure is worth about $8 together, roughly 31% of the set's value — about typical for sets with minifigures (typically 24%).
Frequently asked questions
How much is LEGO Adventurer - Johnny Thunder (5900-1) worth?
LEGO Adventurer - Johnny Thunder is worth approximately $26 on the secondary market today, based on current listings and completed sales. BrickStats updates this value daily.
Is LEGO Adventurer - Johnny Thunder retired?
Yes — Adventurer - Johnny Thunder (5900-1) 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 Adventurer - Johnny Thunder gone up in value?
Yes. Adventurer - Johnny Thunder launched at $9 and now trades around $26, an increase of 192.2%. See the price history chart for how it got there.
What is the price per piece for Adventurer - Johnny Thunder?
At its $9 retail price across 13 pieces, Adventurer - Johnny Thunder works out to about $0.692 per piece. Collectors often use price per piece to judge whether a set is good value.
Is LEGO Adventurer - Johnny Thunder a good investment?
Adventurer - Johnny Thunder currently trades 192.2% above its $9 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 Adventurer - Johnny Thunder so expensive?
Adventurer - Johnny Thunder was released in 1998 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.