Professor Brainstein (uagt023) Quick Facts
| BrickLink ID | uagt023 |
| Theme | Ultra Agents |
| Year Released | 2015 |
| Average Price (Used) | $5.03 |
| Average Price (New) | $7.75 |
| Price Range | $4.29 – $6.05 |
| Parts | 4 |
| Found In | 1 set |
About Professor Brainstein
The LEGO Professor Brainstein (uagt023) is a Ultra Agents minifigure worth $5.03 on average, released in 2015 and found in 1 set. It has 4 individual parts. The Ultra Agents theme average is $9.69, making this figure below average for its theme.
Professor Brainstein (uagt023) is a mid-range Ultra Agents minifigure valued at $5.03 on BrickLink. It comes from 1 set, exclusively Agent Stealth Patrol. Not a headline piece, but it adds up — sellers processing bulk lots should know this figure is worth pulling and listing individually rather than bundling it into a random minifig lot.
Seller notes
- New/sealed copies sell for $7.75 vs $5.03 used — a 54% premium. If you have this figure still sealed or in excellent condition with all accessories, price it closer to the new average.
- Only 4 parts — quick to assemble and verify completeness. Make sure all pieces are present before listing, especially any printed or unique elements.
Parts in Professor Brainstein (4)
Sets containing Professor Brainstein (1)
Common questions about Professor Brainstein
How much is LEGO uagt023 (Professor Brainstein) worth in 2026?
The LEGO Professor Brainstein (uagt023) is worth $5.03 used and $7.75 new/sealed on average, based on BrickLink sales data from the last 6 months. Prices range from $4.29 to $6.05 depending on condition. Completeness (all accessories included) and print condition are the biggest factors affecting price.
What sets include the Professor Brainstein minifigure?
Professor Brainstein appears in 1 set: Agent Stealth Patrol (70169-1, ~$56.00). Since it was only in one set, it can't be sourced elsewhere — that scarcity is reflected in the price.
How do I identify Professor Brainstein?
Look for the BrickLink ID uagt023 — it's the definitive identifier for this figure. Professor Brainstein is made up of 4 parts (a standard minifigure assembly). The parts breakdown on this page shows each component with colors. If you have a loose figure and aren't sure what it is, the brick'em scanner can identify it from a photo in a few seconds.
What's the best way to sell Professor Brainstein?
List it individually on BrickLink with the ID uagt023 — buyers search by part number and will find it. Include clear photos showing condition. At $5.03, it's worth the time to list separately rather than bundling. If you have several Ultra Agents figures, listing them all at once saves on the per-item effort.