Hogwarts: Polyjuice Potion Mistake
76386-1 Harry Potter 2021 215 parts 8.5% catalog rarity Easy
The LEGO Harry Potter Hogwarts: Polyjuice Potion Mistake (76386-1) depicts the Hogwarts bathroom scene where Harry Potter, Ron Weasley, and Hermione Granger brew the Polyjuice potion. This 215-piece set features a brewing station with a cauldron. A play function enables minifigure transformations: turn heads to reveal alternative faces for Vincent Crabbe and Gregory Goyle, or swap Hermione's hair for a cat head. Below the sink, a hidden tunnel offers an exit, specifically designed to connect with LEGO Harry Potter Hogwarts Chamber of Secrets (76389), expanding the Hogwarts model. The set includes a golden anniversary Harry Potter minifigure and two wizard card tiles, integrating them into this modular Hogwarts section.
Parts Inventory
Showing the first 12 rows of the parts list (215 pieces in total). The full list loads automatically.
| Part | Qty | LEGO price each |
|---|---|---|
| 3× | €0,34 | |
| 1× | €0,13 | |
| 1× | €0,17 | |
| 2× | €0,12 | |
| 1× | €0,07 | |
| 2× | €0,22 | |
| 2× | €0,07 | |
| 1× | €0,29 | |
| 3× | €0,16 | |
| 3× | €0,11 | |
| 7× | €0,06 | |
| 1× | €0,12 |
Catalog rarity
How common are the parts in Hogwarts: Polyjuice Potion Mistake?
9 of 106 recorded part+color combinations appear in 3 or fewer sets in our catalog. This does not measure replacement availability or price.
Theme average
7.8%
All sets
6.7%
Least common in our catalog
More Harry Potter sets
Browse more LEGO Harry Potter sets related to Hogwarts: Polyjuice Potion Mistake, including models from 2021 and other sets in the same theme.
Build DNA
Parts inventory insights for Hogwarts: Polyjuice Potion Mistake
215 pieces puts this build -67% against the average Harry Potter set and -60% against the average 2021 release.

Vs average Harry Potter set
Average Harry Potter set: 657 pieces across 191 other sets.
Vs average 2021 set
Average 2021 set: 540 pieces across 471 other sets.
Color profile
Dominant color
White
Unique parts
2.5 pieces per unique type
Repeat factor
Average pieces per unique type.
Most used part
Brick Round 1 x 1 Open Stud
15xResults are based on official LEGO part inventories. Accuracy improves as you confirm set completeness.
This site is not affiliated with or endorsed by the LEGO Group.


