About Adventurer - Johnny Thunder
Adventurer - Johnny Thunder (5900-1) is a LEGO Adventurers set released in 1998, currently averaging $12.25 used on BrickLink. It comes with 1 minifigure worth a combined $3.56. The set has retired from retail, so secondary market is the only option.
Part-out value
The minifigures account for about 29% of the set's value ($3.56 out of $12.25). The remaining value is in the parts and the set as a complete package. Selling complete will likely net more than parting out unless you have specific demand for the individual figures.
Seller notes
- Sealed copies sell for $27.67 vs $12.25 used — a 126% premium. If you have this set new in sealed box (NISB), price it accordingly.
Minifigures in Adventurer - Johnny Thunder (1)
Common questions about Adventurer - Johnny Thunder
How much is LEGO Adventurer - Johnny Thunder (5900-1) worth?
Adventurer - Johnny Thunder sells for an average of $12.25 used and $27.67 new/sealed on BrickLink based on 6 months of completed sales. As a retired set, prices tend to hold steady or appreciate over time, especially for complete sets with original packaging. Actual prices vary with completeness — missing minifigures or key parts will lower the value.
What minifigures come in LEGO set 5900-1?
This set includes 1 minifigure: Johnny Thunder (Desert) with Backpack ($3.56). The minifigures have a combined BrickLink value of $3.56. Each figure is linked above with individual pricing if you're looking to buy or sell specific characters.
Is it worth parting out LEGO Adventurer - Johnny Thunder?
The minifigures make up about 29% of the set value ($3.56 out of $12.25). Most of the value is in the complete set package, so selling it whole is likely the better move unless you have buyers lined up for specific figures.
Is LEGO Adventurer - Johnny Thunder (5900-1) retired?
Yes, Adventurer - Johnny Thunder was released in 1998 and has been retired from retail for several years. Retired LEGO sets are only available on the secondary market through BrickLink, eBay, or other resale platforms.
How do I check if my Adventurer - Johnny Thunder set is complete?
Use the parts list on this page to check every piece and all 1 minifigure. For the minifigures specifically, you can use the brick'em scanner to identify each figure from a photo and confirm it matches what should be in this set. Missing pieces can be individually sourced on BrickLink.