- Includes 6 minifigures with assorted weapon and accessory elements: Shaggy, Velma, Daphne, Vampire/Bob Oakley, Ghost/Bluestone the Great, Black Knight/Mr. Wickles, plus Scooby-Doo (standing version)
- Mystery Mansion features a clock tower with midnight spinning wall function, roof with vampire coffin, conservatory with broken windows, man-eating plant with ‘snapping mouth' and 2 pumpkin heads, kitchen with cupboards, sink, pot and giant buildable hamburger, brick-built morning star pendulum trap, opening safe with 3 golden bar elements, hidden compartment with golden key, special brick with a mystery clue, pot, skull minifigure head, rat and bat elements
- Motorbike features a sidecar
- Weapon elements include the Ghost's ball and chain, and Black Knight's double axe
- Accessory elements include Scooby-Doo's bone, Shaggy's sausage, Shaggy's backpack, Velma's camera, the Vampire's cape and bat, and the Ghost's glow-in-the-dark cape
- Drive to the Mystery Mansion on the motorbike
- Keep away from the man-eating plant
- Dodge the swinging morning star
- Activate the clock tower's spinning wall to reveal the Vampire
- Follow the clues to find the golden key and the stolen treasure
- Mystery Mansion measures over 14” (38cm) high, 12” (32cm) wide and 5” (14cm) deep
- Motorbike measures over 1” (3cm) high, 2” (6cm) long and 1” (4cm) wide
- Man-eating plant measures over 2” (7cm) high, 1” (4cm) wide and 1” (5cm) deep
The Lego set Mystery Mansion with the set number 75904 is part of the LEGO Scooby-Doo theme and is recommended for ages 6 - 12. It was released in August 2015. It includes 6 minifigures. The model has 860 pieces, and we estimate it takes around 2 hours to build. It was designed by Bjarke Lykke Madsen.57 Brickfact users have this set in their collection.
The set weighs about 1.640 kg. The box measures 18.9 x 14.9 x 2.8 in (48 x 37.8 x 7.1 cm). The recommended retail price is £69.99.
The Part-Out-Value (POV) is the sum of the average prices paid on bricklink.com for all parts of this set. It is about £287.87.
Lego 75904 product data
Set Information
Availability
Release
08/2015
Retiring Status
Retired (12/2016)
Price Information
RRP
£69.99
Insiders Points (for purchase at Lego)
560
Part Out Value
£287.87
i
Packaging
Weight
1.640 kg
Packaging dimensions
18.9 x 14.9 x 2.8 in
EAN (GTIN13)
5702015349697
Popularity with Brickfact users
- users have this set
- 57
- buyers in the last 12 months
- 10
57 Brickfact users have Mystery Mansion in their collection. 10 users bought it in the last 12 months.
Based on anonymized Brickfact user collections; shown only for sets with at least 10 users. As of 2 November 2026.
Lego 75904 price trend
Average sale price on secondary marketplaces – not the new price at retailers.
- Current market value
- £348.70
- Growth vs. RRP
- +398 % £69.99
- Range
- £211.46 – £356.42
- Average
- £264.79
Loading price history…
Minifigures from 75904 Mystery Mansion
The Mystery Mansion set includes 6 different minifigures, 4 of which are unique to this set. The combined value of the minifigures is £200.61, which is ~287% of the RRP of this set.
x1
Shaggy
Scooby-Doo
2015
#scd003
£6.67
i
2 sets
x1
Daphne
Scooby-Doo
2015
#scd004
£30.24
2 sets
x1
Velma
Scooby-Doo
2015
#scd005
£112.16
Unique
x1
Black Knight / Mr Wickles
Scooby-Doo
2015
#scd006
£20.04
Unique
x1
Ghost / Bluestone the Great
Scooby-Doo
2015
#scd007
£19.07
Unique
x1
Vampire / Big Bob Oakley
Scooby-Doo
2015
#scd011
£12.43
Unique
Official Set Description for LEGO 75904 Mystery Mansion
Building Instruction for LEGO 75904 Mystery Mansion
Part Lists for LEGO 75904 Mystery Mansion
LEGO 75904 Frequently Asked Questions
Is LEGO 75904 still available?
LEGO has retired 75904 Mystery Mansion, and no retailer in our price comparison currently sells it new. Its market value on secondary marketplaces is £348.70.
