LEGO Harry Potter Hogwarts: Polyjuice Potion Mistake 76386 – Moaning Myrtle's Bathroom with Ron Weasley and Hermione Granger

Step into Hogwarts with LEGO Harry Potter Hogwarts Polyjuice Potion Mistake (76386). This buildable scene centers on Moaning Myrtle’s bathroom, a playful backdrop for brewing adventures and magical mischief. The warm brick tones, shiny potion vials, and tiny accessories invite tactile exploration and lively storytelling as kids imagine their own spellbound moments.

What makes this set engaging is how it blends character action with puzzle-like reveals. Kids can twist minifigure heads to reveal alternate faces, swap hairpieces, and watch reactions unfold as the Polyjuice potion takes effect. The scene offers a satisfying sense of cause and effect, where a small adjustment leads to a surprising new look or a flip in the story. The bathroom contains authentic details that spark curiosity and help bring the wizarding world to life in a tangible way.

Play ideas and expansion paths

• Transform a favorite trio — Harry, Hermione, and Ron — into different personas for quick, story-driven scenes.
• Use the hidden tunnel under the sink to imagine secret routes to other Hogwarts rooms, enhancing modular play setups.

Notable inclusions that elevate the experience

• Includes three main minifigures plus an exclusive 20th anniversary golden Harry Potter minifigure, adding collectible value to playtime.
• Two random wizard card tiles offer a collectible moment that can be traded or researched during imaginative sessions.
• The set connects to LEGO Hogwarts Chamber of Secrets (76389), letting kids extend the build and link two rooms for broader stories.

With 217 pieces, the Polyjuice Potion Mistake set fits neatly into a growing Hogwarts collection. It works well alongside other modular builds to create a larger castle scene, or it stands proudly as a bright, self-contained playset for quick, immersive adventures. The design encourages hands-on creativity, with opportunities to stage brew scenes, character swaps, and unexpected magical outcomes while keeping play safe, engaging, and age-appropriate.

Beyond playtime, this set can spark conversations about storytelling, color coordination, and spatial thinking as kids plan room connections and figure out how to reconfigure the layout. It also makes a thoughtful gift idea for grandchildren who love magical narratives, action-packed moments, and the satisfying tactile experience of LEGO brick-building. Each session can feel like a fresh chapter in a longer Hogwarts journey, inviting ongoing curiosity and imaginative exploration.