LEGO Harry Potter, Slytherin Robe, Gregory Goyle Transformation Minifigure (hp285)
Harry Potter, Slytherin Robe, Gregory Goyle Transformation is a LEGO minifigure that appeared in the Hogwarts: Polyjuice Potion Mistake set which was released in June 2021.
This minifigure currently has a value of $1.56 based on the average of recorded monthly new-condition values from 1 April 2026 to 20 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 | $2.67 | - | 42 |
| February 2022 | $2.67 | - | 19 |
| March 2022 | $2.67 | - | 71 |
| April 2022 | $2.67 | - | 108 |
| May 2022 | $2.67 | - | 52 |
| June 2022 | $1.33 | - | 96 |
| July 2022 | $2.67 | $1.33 | 84 |
| August 2022 | $2.67 | $1.33 | 76 |
| September 2022 | $2.67 | $1.33 | 159 |
| October 2022 | $2.67 | $1.33 | 196 |
| November 2022 | $2.67 | $1.33 | 64 |
| December 2022 | $1.33 | $1.33 | 42 |
| January 2023 | $1.33 | $1.33 | 215 |
| February 2023 | $1.33 | $1.33 | 74 |
| March 2023 | $1.33 | $1.33 | 234 |
| April 2023 | $1.33 | $1.33 | 76 |
| May 2023 | $2.67 | $1.33 | 75 |
| June 2023 | $1.33 | $1.33 | 262 |
| July 2023 | $2.67 | $1.33 | 77 |
| August 2023 | $1.33 | $1.33 | 275 |
| September 2023 | $1.33 | $1.33 | 48 |
| October 2023 | $1.33 | $1.33 | 61 |
| November 2023 | $1.33 | $1.33 | 64 |
| December 2023 | $1.33 | $1.33 | 41 |
| January 2024 | $1.33 | $1.33 | 103 |
| February 2024 | $1.33 | $1.33 | 58 |
| March 2024 | $1.33 | $1.33 | 126 |
| April 2024 | $1.33 | $1.33 | 143 |
| May 2024 | $1.33 | $1.33 | 131 |
| June 2024 | $1.33 | $1.33 | 45 |
| July 2024 | $1.33 | $1.33 | 143 |
| August 2024 | $1.33 | $1.33 | 60 |
| September 2024 | $1.33 | $1.33 | 39 |
| October 2024 | $1.33 | $1.33 | 37 |
| November 2024 | $1.33 | $1.33 | 28 |
| December 2024 | $1.33 | $1.33 | 22 |
| January 2025 | $1.33 | $1.33 | 38 |
| February 2025 | $1.33 | $1.33 | 31 |
| March 2025 | $1.33 | $1.33 | 58 |
| April 2025 | $2.67 | $1.33 | 36 |
| May 2025 | $1.33 | $1.33 | 118 |
| June 2025 | $1.33 | $1.33 | 23 |
| July 2025 | $1.33 | $1.33 | 74 |
| August 2025 | $1.33 | $1.33 | 27 |
| September 2025 | $1.33 | $1.33 | 53 |
| October 2025 | $2.67 | $1.33 | 18 |
| November 2025 | $1.33 | $1.33 | 23 |
| December 2025 | $1.33 | $1.33 | 41 |
| January 2026 | $1.33 | $1.33 | 30 |
| February 2026 | $1.33 | $2.67 | 21 |
| March 2026 | $1.33 | $1.33 | 22 |
| April 2026 | $1.33 | $1.33 | 16 |
| May 2026 | $1.33 | $1.33 | 82 |
| June 2026 | $1.33 | $1.33 | 9 |
| July 2026 | $1.33 | $1.33 | 25 |
| August 2026 | $2.67 | $1.33 | 27 |
| September 2026 | $1.33 | $1.33 | 15 |
On average this minifigure is worth 14.8% less in a used condition than in a new condition.
Monthly sales
There have been 197 confirmed sales of the Harry Potter, Slytherin Robe, Gregory Goyle Transformation minifigure in the last 6 months. Of these 197 sales, 174 have been in a new condition and 23 have been in a used condition
Harry Potter minifigures
There are currently 96 other LEGO minifigures of Harry Potter.
My collection
Minifigure details
Name: Harry Potter, Slytherin Robe, Gregory Goyle Transformation
Theme: Harry Potter
Appears in: 1 set
Bricklink code: hp285
Minifigure value
Confidence: High
Current value: $1.56
Stats
Frequently Asked Questions
How much is the LEGO Harry Potter, Slytherin Robe, Gregory Goyle Transformation minifigure worth?
The LEGO Harry Potter, Slytherin Robe, Gregory Goyle Transformation minifigure is currently worth $1.56 based on the average of recorded monthly new-condition values from 1 April 2026 to 20 October 2026.
How many sets does the LEGO Harry Potter, Slytherin Robe, Gregory Goyle Transformation minifigure appear in?
The LEGO Harry Potter, Slytherin Robe, Gregory Goyle Transformation minifigure appears in 1 set. This makes it exclusive to the Hogwarts: Polyjuice Potion Mistake set.
Is the LEGO Harry Potter, Slytherin Robe, Gregory Goyle Transformation minifigure exclusive?
Yes, the LEGO Harry Potter, Slytherin Robe, Gregory Goyle Transformation minifigure is exclusive to the Hogwarts: Polyjuice Potion Mistake set and does not appear in any other LEGO set.
How valuable is the LEGO Harry Potter, Slytherin Robe, Gregory Goyle Transformation minifigure?
The LEGO Harry Potter, Slytherin Robe, Gregory Goyle Transformation minifigure is the 16133rd most valuable LEGO minifigure overall and the 572nd most valuable Harry Potter minifigure.
How many versions of LEGO Harry Potter are there?
There are 97 different LEGO minifigure versions of Harry Potter, including this one.
What is the difference in price between new and used condition?
On average, the LEGO Harry Potter, Slytherin Robe, Gregory Goyle Transformation minifigure is worth 14.8% less in a used condition than in a new condition.
Latest recorded sales month: Sep 26