The LEGO Scooby-Doo Mystery Mansion Set 75904 brings the Mystery Gang together for a spooky 860‑piece build packed with hidden traps and haunted details.

Specs:

• 860 pieces for a detailed haunted mansion experience
• Includes six Minifigures: Shaggy, Velma, Daphne, Vampire/Bob Oakley, Ghost/Bluestone the Great, Black Knight/Mr. Wickles, plus Scooby‑Doo
• Clocktower features a spinning wall to reveal secrets
• Roof holds a vampire coffin with opening lid
• Plant element with a snapping mouth that springs into action
• Pendulum trap swings to catch (or scare) the characters
• Multiple interactive play areas: hidden rooms, trap doors, and spooky accessories

The LEGO Scooby‑Doo Mystery Mansion Set 75904, released in August 2015 and now retired, stands out for its clocktower’s rotating wall and the snapping plant that adds surprise to every play session. This build is a natural choice for fans of the franchise who want a detailed, interactive display piece or a lively group building activity.