LEGO Rock Monster - Meltrox (Trans-Red) Minifigure (pm003)
Rock Monster - Meltrox (Trans-Red) is a LEGO minifigure that appeared in the Stone Chopper and Crystal Sweeper sets.
This minifigure currently has a value of $19.21 based on the average of recorded monthly new-condition values from 1 April 2026 to 12 October 2026.
Price over time
View price history table
The table shows recorded monthly data only. The chart may include estimates for gaps in used-condition prices.
| Month | New Price | Used Price | New Sales |
|---|---|---|---|
| January 2022 | $5.30 | $1.32 | 2 |
| February 2022 | $7.95 | $1.32 | 2 |
| March 2022 | $6.62 | $1.32 | 1 |
| April 2022 | $6.62 | $1.32 | 1 |
| May 2022 | $7.95 | $1.32 | 1 |
| June 2022 | $9.27 | $1.32 | 130 |
| July 2022 | $13.25 | $3.97 | 2 |
| August 2022 | $10.60 | $3.97 | 0 |
| September 2022 | $9.27 | $3.97 | 1 |
| October 2022 | $3.97 | $3.97 | 1 |
| November 2022 | $9.27 | $2.65 | 5 |
| December 2022 | $14.57 | $3.97 | 1 |
| January 2023 | $10.60 | $3.97 | 2 |
| February 2023 | $5.30 | $3.97 | 2 |
| March 2023 | $10.60 | $3.97 | 3 |
| April 2023 | $10.60 | $3.97 | 2 |
| May 2023 | $9.27 | $3.97 | 0 |
| June 2023 | $7.95 | $3.97 | 1 |
| July 2023 | $7.95 | $3.97 | 0 |
| August 2023 | $7.95 | $3.97 | 1 |
| September 2023 | $9.27 | $3.97 | 1 |
| October 2023 | $7.95 | $3.97 | 0 |
| November 2023 | $6.62 | $3.97 | 0 |
| December 2023 | $5.30 | $3.97 | 0 |
| January 2024 | $3.97 | $3.97 | 4 |
| February 2024 | $3.97 | $3.97 | 0 |
| March 2024 | $10.60 | $3.97 | 3 |
| April 2024 | $11.92 | $3.97 | 2 |
| May 2024 | $11.92 | $3.97 | 0 |
| June 2024 | $15.90 | $3.97 | 1 |
| July 2024 | $9.27 | $3.97 | 0 |
| August 2024 | $10.60 | $3.97 | 2 |
| September 2024 | $10.60 | $3.97 | 1 |
| October 2024 | $11.92 | $3.97 | 2 |
| November 2024 | $13.25 | $3.97 | 4 |
| December 2024 | $30.47 | $3.97 | 1 |
| January 2025 | $14.57 | $5.30 | 0 |
| February 2025 | $10.60 | $5.30 | 0 |
| March 2025 | $21.20 | $5.30 | 2 |
| April 2025 | $13.25 | $3.97 | 1 |
| May 2025 | $10.60 | $3.97 | 0 |
| June 2025 | $9.27 | $3.97 | 0 |
| July 2025 | $13.25 | $3.97 | 4 |
| August 2025 | $7.95 | $5.30 | 0 |
| September 2025 | $10.60 | $3.97 | 29 |
| October 2025 | $7.95 | $5.30 | 40 |
| November 2025 | $7.95 | $3.97 | 0 |
| December 2025 | $7.95 | $3.97 | 22 |
| January 2026 | $18.55 | $5.30 | 1 |
| February 2026 | $18.55 | $3.97 | 1 |
| March 2026 | $11.92 | $5.30 | 1 |
| April 2026 | $10.60 | $6.62 | 0 |
| May 2026 | $18.55 | $3.97 | 3 |
| June 2026 | $19.87 | $5.30 | 48 |
| July 2026 | $26.50 | $5.30 | 2 |
| August 2026 | $25.17 | $5.30 | 1 |
| September 2026 | $14.57 | $3.97 | 1 |
On average this minifigure is worth 65.2% less in a used condition than in a new condition.
Monthly sales
There have been 199 confirmed sales of the Rock Monster - Meltrox (Trans-Red) minifigure in the last 6 months. Of these 199 sales, 55 have been in a new condition and 144 have been in a used condition
Rock Monster minifigures
There are currently 7 other LEGO minifigures of Rock Monster.
My collection
Minifigure details
Name: Rock Monster - Meltrox (Trans-Red)
Theme: Power Miners
Appears in: 2 sets
Bricklink code: pm003
Minifigure value
Confidence: High
Current value: $19.21
Stats
Frequently Asked Questions
How much is the LEGO Rock Monster - Meltrox (Trans-Red) minifigure worth?
The LEGO Rock Monster - Meltrox (Trans-Red) minifigure is currently worth $19.21 based on the average of recorded monthly new-condition values from 1 April 2026 to 12 October 2026.
How many sets does the LEGO Rock Monster - Meltrox (Trans-Red) minifigure appear in?
The LEGO Rock Monster - Meltrox (Trans-Red) minifigure appears in 2 sets.
How valuable is the LEGO Rock Monster - Meltrox (Trans-Red) minifigure?
The LEGO Rock Monster - Meltrox (Trans-Red) minifigure is the 2767th most valuable LEGO minifigure overall and the 9th most valuable Power Miners minifigure.
How many versions of LEGO Rock Monster are there?
There are 8 different LEGO minifigure versions of Rock Monster, including this one.
What is the difference in price between new and used condition?
On average, the LEGO Rock Monster - Meltrox (Trans-Red) minifigure is worth 65.2% less in a used condition than in a new condition.
Latest recorded sales month: Sep 26