How many pieces does the LEGO Mystery Mansion (75904-1) have?

The LEGO Mystery Mansion set (75904-1) contains 861 pieces. It was released in 2015 as part of the LEGO Scooby-Doo theme.

How can I find missing parts for LEGO set 75904-1?

On BrickMissing you can check which parts from the LEGO Mystery Mansion (75904-1) you already own. Add your LEGO collection and we'll show exactly which of the 861 pieces you're missing and which you already have.

Can I build the LEGO Mystery Mansion with parts I already have?

Use BrickMissing's free parts checker to find out. Add LEGO sets you own to your collection and we'll cross-reference all 861 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO Mystery Mansion from?

The LEGO Mystery Mansion (75904-1) belongs to the LEGO Scooby-Doo theme. You can browse all Scooby-Doo sets on BrickMissing to find more sets from this theme.

Mystery Mansion

🏷️ 75904-1•🎨 Scooby-Doo•📅 2015•🧱 861 parts•Advanced

Mystery Mansion (75904-1) is a LEGO Scooby-Doo from 2015. This page uses the available set and theme data until a fuller product description is available.

Parts Inventory

🧱 861 parts

Part	Color	Qty
Coffin 2 x 4 x 6 Lid with Light Bluish Gray Vampire and White Cobwebs Print 10304pr0002	Black	1×
Equipment Magnifying Glass with Thick Frame, Solid Handle, Trans-Clear Lens 10830pat0001	Black	1×
Plate Round 6 x 6 with Hole 11213	White	1×
Plate Round 6 x 6 with Hole 11213	Light Bluish Gray	1×
Slope Curved 2 x 1 No Studs [1/2 Bow] 11477	Light Bluish Gray	2×
Brick Arch 1 x 3 x 3 [Gothic] 13965	Reddish Brown	4×
Brick Arch 1 x 5 x 4 [Continuous Bow, Raised Underside Cross Supports] 14395	Reddish Brown	2×
Plate Special 1 x 2 with 5.9mm Centre Side Towball 14417	Dark Bluish Gray	1×
Plate Special 1 x 2 with 5.9mm Towball Socket and Towball 14419	Dark Bluish Gray	1×
Plate Special 1 x 2 5.9mm Centre Side Towball Socket 14704	Light Bluish Gray	1×

Showing 10 of 250 parts

🔓 Sign up to see all parts

Brick Arch 1 x 3 x 3 [Gothic]	13965	Reddish Brown	4×
Brick Arch 1 x 5 x 4 [Continuous Bow, Raised Underside Cross Supports]	14395	Reddish Brown	2×
Plate Special 1 x 2 with 5.9mm Centre Side Towball	14417	Dark Bluish Gray	1×
Plate Special 1 x 2 with 5.9mm Towball Socket and Towball	14419	Dark Bluish Gray	1×
Plate Special 1 x 2 5.9mm Centre Side Towball Socket	14704	Light Bluish Gray	1×
Brick Arch 1 x 12 x 3 Raised Arch	14707	Reddish Brown	3×
Brick 1 x 1 x 3	14716	Light Bluish Gray	2×
Tile Round 2 x 2 with Bottom Stud Holder	14769	White	4×
Slope Curved 2 x 2 x 2/3	15068	Black	2×
Plate Special 1 x 1 with Vertical Tooth	15070	Yellow	4×
Panel 1 x 4 x 1 with Rounded Corners [Thin Wall]	15207	Dark Bluish Gray	1×
Brick Arch 1 x 6 x 2 - Thin Top without Reinforced Underside [New Version]	15254	Light Bluish Gray	2×
Fence Spindled 1 x 4 x 2 [4 Top Studs]	15332	Black	8×
Equipment Ball and Chain with 1 x 1 Round Plate	15532	Black	1×
Tile Round 2 x 2 with Hole	15535	Dark Bluish Gray	2×
Tile Round 2 x 2 with Hole	15535	Tan	1×
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)	15573	Dark Purple	6×
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)	15573	Medium Blue	1×
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)	15573	Orange	1×
Wedge Plate 4 Stud 45° Angle Plate	15706	Reddish Brown	8×
Tile Special 1 x 1 with Clip with Rounded Edges	15712	Black	1×
Brick Arch 1 x 8 x 2 Raised	16577	Dark Bluish Gray	5×
Costume / Mask, Pumpkin with Jack O' Lantern Face and Green Stem Print	20695pr0001	Orange	2×
Sticker Sheet for Set 75904-1	21436	Unknown	1×
Plant, Leaves 6 x 5	2417	Dark Green	1×
Plate 2 x 2 Corner	2420	Reddish Brown	1×
Tile 1 x 4 with Groove	2431	Light Bluish Gray	2×
Tile 1 x 4 with Groove	2431	Reddish Brown	6×
Plate 2 x 12	2445	Reddish Brown	1×
Plate 2 x 12	2445	Black	1×
Wedge Plate 3 x 3 Cut Corner	2450	Black	1×
Brick 1 x 1 x 5 with Solid Stud	2453b	Reddish Brown	3×
Brick 1 x 1 x 5 with Solid Stud	2453b	Light Bluish Gray	2×
Brick 2 x 6	2456	Dark Bluish Gray	2×
Minifig Neckwear Backpack Non-Opening	2524	Reddish Brown	1×
Plate Round 2 x 2 with Rounded Bottom [Boat Stud]	2654	Red	2×
Plate Round 2 x 2 with Rounded Bottom [Boat Stud] with Hamburger Bun Print	2654pr0002	Tan	1×
Technic Pin with Friction Ridges Lengthwise and Center Slots	2780	Black	19×
Plate Special 2 x 2 with 2 Pin Holes	2817	Light Bluish Gray	4×
Brick Special 2 x 2 with 2 Pins and Axle Hole	30000	Light Bluish Gray	1×
Brick 2 x 4	3001	Light Bluish Gray	5×
Brick 2 x 4	3001	Dark Bluish Gray	1×
Brick 2 x 3	3002	Reddish Brown	1×
Brick 2 x 2	3003	White	1×
Brick 2 x 2	3003	Light Bluish Gray	8×
Brick 1 x 2	3004	Sand Green	2×
Brick 1 x 2	3004	White	3×
Brick 1 x 2	3004	Lime	1×
Brick 1 x 1	3005	Reddish Brown	30×
Brick 1 x 1	3005	Sand Green	2×
Fence Spindled 4 x 4 x 2 Quarter Round with 2 Studs	30056	Black	2×
Brick 1 x 8	3008	Light Bluish Gray	1×
Equipment Camera Handheld with Central Viewfinder	30089b	Black	1×
Brick 1 x 6	3009	Light Bluish Gray	10×
Brick 1 x 6	3009	Dark Bluish Gray	2×
Plant, Sea Grass	30093	Bright Green	3×
Plant, Sea Grass	30093	Dark Green	1×
Brick 1 x 4	3010	Light Bluish Gray	7×
Animal, Bat	30103	Black	1×
Brick Special 1 x 2 Palisade [aka Log]	30136	Reddish Brown	9×
Brick Special 1 x 2 Palisade [aka Log]	30136	Light Bluish Gray	42×
Brick 2 x 2 x 3	30145	Light Bluish Gray	4×
Sarcophagus / Coffin 2 x 4 x 6 Bottom	30163	Black	1×
Plant, Round 1 x 1 - 3 Bamboo Leaves	30176	Light Bluish Gray	2×
Plate 2 x 4	3020	Lime	1×
Plate 2 x 4	3020	Reddish Brown	3×
Plate 2 x 4	3020	Black	1×
Plate 2 x 4	3020	Light Bluish Gray	1×
Plate 2 x 4	3020	Dark Bluish Gray	3×
Plate 2 x 3	3021	Reddish Brown	2×
Plate 2 x 3	3021	Medium Azure	2×
Plate 2 x 2	3022	Yellow	1×
Plate 2 x 2	3022	Black	2×
Plate 2 x 2	3022	Red	1×
Plate 1 x 2	3023	Medium Blue	3×
Plate 1 x 2	3023	Black	15×
Plate 1 x 2	3023	Reddish Brown	3×
Plate 1 x 2	3023	Dark Purple	2×
Plate 1 x 2	3023	Light Bluish Gray	1×
Plate 1 x 2	3023	Lime	1×
Brick Special 1 x 2 with Handle	30236	Dark Bluish Gray	2×
Plate 4 x 10	3030	Reddish Brown	4×
Plate 4 x 4	3031	Reddish Brown	5×
Plate 4 x 4	3031	Dark Bluish Gray	1×
Plate 4 x 4	3031	Dark Purple	1×
Plate 4 x 6	3032	Dark Bluish Gray	1×
Plate 2 x 8	3034	Reddish Brown	4×
Plate 6 x 8	3036	Reddish Brown	4×
Slope 45? 2 x 2	3039	Dark Bluish Gray	5×
Slope 45? 2 x 2	3039	Reddish Brown	1×
Slope 45° 2 x 1 with Bottom Pin	3040b	Dark Purple	25×
Slope 45° 2 x 1 with Bottom Pin	3040b	Dark Green	2×
Brick Special 1 x 4 with 4 Studs on One Side	30414	Dark Bluish Gray	1×
Plate Round Corner 4 x 4	30565	Reddish Brown	5×
Brick Round 1 x 1 Open Stud	3062b	Reddish Brown	2×
Tile 2 x 2 with Groove	3068b	White	3×
Tile 2 x 2 with Groove	3068b	Reddish Brown	2×
Tile 2 x 2 with Map, Paper Clip, Red Key and 'X' Print	3068bpr0271	White	1×
Tile 1 x 2 with Groove	3069b	Metallic Gold	3×
Tile 1 x 2 with Groove	3069b	Reddish Brown	1×
Tile 1 x 2 with Groove	3069b	Light Bluish Gray	3×
Tile 1 x 2 with Groove	3069b	Black	6×
Tile 1 x 2 with Groove	3069b	Dark Bluish Gray	1×
Tile 1 x 1 with Groove	3070b	Dark Bluish Gray	2×
Tile 1 x 1 with Keyhole Print	3070bpr0147	Light Bluish Gray	1×
Technic Brick 1 x 2 [2 Pin Holes]	32000	Tan	1×
Plate Special 1 x 2 with Door Rail	32028	Black	5×
Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin	32064a	Yellow	1×
Technic Axle 5	32073	Light Bluish Gray	1×
Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced	32123b	Yellow	4×
Technic Gear 12 Tooth Double Bevel	32270	Black	1×
Brick 1 x 2 x 2 with Inside Stud Holder	3245c	Light Bluish Gray	2×
Technic Brick 4 x 6 with 2 x 4 Opening	32531	Light Bluish Gray	1×
Food Hot Dog / Sausage	33078	Red	1×
Roof / Tower 6 x 8 x 9	33215	Dark Purple	1×
Technic Beam 3 x 0.5 Liftarm with Boss and Pin / Crank	33299a	Light Bluish Gray	1×
Plate 1 x 8	3460	White	3×
Plate 1 x 8	3460	Black	8×
Brick 1 x 3	3622	Dark Bluish Gray	22×
Plate 1 x 3	3623	Reddish Brown	1×
Plate 1 x 3	3623	Black	1×
Minifig Head [Plain] [Hollow Stud]	3626c	Trans-Neon Orange	2×
Minifig Head Skeleton, Standard Skull Print	3626cpr0895	White	1×
Fence Lattice 1 x 4 x 1	3633	Black	8×
Slope Inverted 45° 2 x 1	3665	Reddish Brown	6×
Plate 1 x 6	3666	Reddish Brown	2×
Plate 1 x 6	3666	Black	4×
Plate 1 x 6	3666	Medium Azure	2×
Technic Pin without Friction Ridges Lengthwise	3673	Light Bluish Gray	1×
Slope 33° 3 x 3 Double Convex	3675	Dark Purple	2×
Turntable 2 x 2 Plate - Top	3679	Light Bluish Gray	1×
Turntable 2 x 2 Plate, Base	3680	Red	1×
Technic Brick 1 x 2 [1 Pin Hole]	3700	Dark Bluish Gray	23×
Technic Axle 4	3705	Black	1×
Technic Axle 6	3706	Black	1×
Plate 1 x 4	3710	Reddish Brown	3×
Plate 1 x 4	3710	Black	5×
Plate 1 x 4	3710	Light Bluish Gray	1×
Plate 1 x 4	3710	Dark Bluish Gray	2×
Plate 1 x 4	3710	Tan	1×
Plate 2 x 6	3795	Reddish Brown	7×
Plate 2 x 10	3832	Dark Purple	4×
Technic Brick 1 x 6 [5 Pin Holes]	3894	Dark Bluish Gray	8×
Hinge Brick 1 x 2 Base	3937	Light Bluish Gray	1×
Hinge Brick 1 x 2 Top Plate Thin	3938	Black	1×
Cone 2 x 2 x 2, Open Stud	3942c	Black	2×
Plate 6 x 6	3958	Reddish Brown	2×
Animal, Rodent, Rat / Mouse [Plain]	40234	Light Bluish Gray	1×
Brick Special 1 x 1 with Headlight	4070	Reddish Brown	2×
Tile 1 x 8 with Groove	4162	Light Bluish Gray	1×
Technic Tooth 1 x 3 with Axle Hole [Rounded Underside]	41669	Orange	1×
Minifig Neckwear Bracket [One Stud]	42446	Black	1×
Wheel 11 x 8 with Center Groove	42610	Light Bluish Gray	1×
Technic Pin 1/2	4274	Black	2×
Slope 33° 3 x 1	4286	Reddish Brown	2×
Box 2 x 2 x 2 [Hollow Studs]	4345b	White	1×
Box 2 x 2 x 2 Door with Slot	4346	White	1×
Support Round 1 x 1 x 6 Solid Pillar	43888	Dark Bluish Gray	6×
Dish 3 x 3 Inverted [Radar]	43898	Black	1×
Slope 75° 2 x 1 x 3 with Hollow Stud	4460b	Reddish Brown	1×
Plate 1 x 10	4477	Reddish Brown	3×
Technic Axle 3	4519	Light Bluish Gray	1×
Equipment Saucepan	4529	Black	1×
Cupboard 2 x 3 x 2 Door	4533	Sand Green	1×
Cupboard 2 x 3 x 2 Door	4533	White	1×
Tap 1 x 1 without Hole in Spout	4599b	Light Bluish Gray	1×
Dish 2 x 2 Inverted [Radar]	4740	Black	1×
Plate Special 1 x 2 [Side Handle Closed Ends]	48336	Light Bluish Gray	2×
Panel 1 x 2 x 1 [Rounded Corners]	4865b	Trans-Clear	1×
Vehicle Base, Motorcycle Chassis, Long Fairing Mounts	50859b	Flat Silver	1×
Tyre 21 x 6 City Motorcycle	50861	Black	2×
Wheel Centre 15 x 6 City Motorcycle with Stub Axles	50862	Light Bluish Gray	2×
Wheel Arch, Mudguard 1 x 4 1/2	50947	Medium Azure	1×
Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small	53451	Black	9×
Weapon Axe Head, Clip-on (Viking) [Thick Clip]	53454	Pearl Titanium	2×
Slope 30° 1 x 1 x 2/3 (Cheese Slope)	54200	Dark Purple	15×
Slope 30° 1 x 1 x 2/3 (Cheese Slope)	54200	Trans-Clear	2×
Slope 30° 1 x 1 x 2/3 (Cheese Slope)	54200	Reddish Brown	1×
Plant / Creature Body Part, Vine / Tail / Tentacle / Bionicle Spine, Spiky	55236	Dark Green	2×
Panel 1 x 6 x 5	59349	Trans-Clear	1×
Panel 1 x 6 x 5	59349	Light Bluish Gray	4×
Technic Axle Connector Smooth [with x Hole + Orientation]	59443	Dark Bluish Gray	2×
Cone 1 x 1 [Top Groove]	59900	Black	18×
Cone 1 x 1 [Top Groove]	59900	Trans-Yellow	1×
Plate Special 1 x 2 with Clips Horizontal [Open O Clips]	60470b	Light Bluish Gray	2×
Plate Round 4 x 4 with Pin Hole	60474	Dark Brown	1×
Brick Special 1 x 1 with Clip Vertical [Open O Clip, Hollow Stud]	60475b	Light Bluish Gray	2×
Slope 18° 4 x 1	60477	Black	2×
Slope 65° 2 x 1 x 2	60481	Dark Purple	6×
Panel 1 x 4 x 3 [Side Supports / Hollow Studs]	60581	Trans-Clear	1×
Window 1 x 2 x 2 Flat Front	60592	Reddish Brown	6×
Window 1 x 2 x 3 Flat Front	60593	Reddish Brown	13×
Door Frame 1 x 4 x 6 Type 2	60596	Black	2×
Glass for Window 1 x 2 x 2 Flat	60601	Trans-Clear	6×
Glass for Window 1 x 2 x 3 Flat Front	60602	Trans-Clear	13×
Door 1 x 4 x 6 with 4 Panes and Stud Handle	60623	Dark Purple	2×
Panel 1 x 4 x 5 with Arched Window	60808	Light Bluish Gray	2×
Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip]	60897	Black	2×
Brick Curved 1 x 2 x 1 1/3 with Curved Top	6091	Lime	2×
Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip]	61252	Dark Bluish Gray	3×
Plate Round 1 x 1 with Solid Stud	6141	Dark Purple	4×
Plate Round 1 x 1 with Solid Stud	6141	Orange	2×
Plate Round 1 x 1 with Solid Stud	6141	Trans-Clear	2×
Plate Round 1 x 1 with Solid Stud	6141	Reddish Brown	4×
Plate Round 1 x 1 with Solid Stud	6141	Trans-Yellow	1×
Plate Round 1 x 1 with Solid Stud	6141	Red	2×
Plate Round 1 x 1 with Solid Stud	6141	Lime	9×
Plate Round 1 x 1 with Solid Stud	6141	Black	4×
Turntable 4 x 4 Square Base, Locking	61485	Black	1×
Plate Special 4 x 4 with Studs on One Edge [Plain]	6179	Light Bluish Gray	1×
Bar 1 x 4 x 3 [End Tabs]	62113	Black	1×
Panel 1 x 1 x 1 Corner	6231	White	2×
Cone 3 x 3 x 2	6233	Black	1×
Equipment Key	62808	Pearl Gold	2×
Bar 6L with Stop Ring	63965	Black	1×
Wedge Curved 4 x 3 No Studs [Plain]	64225	Lime	2×
Technic Brick 1 x 1 with Pin Hole	6541	Dark Bluish Gray	6×
Gearbox 4 x 4 x 1 2/3 with 1 x 2 Cutouts, Pin Holes	6585	Black	1×
Technic Gear 12 Tooth Bevel	6589	Tan	2×
Tile 1 x 6 with Groove	6636	Red	2×
Tile 1 x 6 with Groove	6636	Reddish Brown	1×
Tile 1 x 6 with Groove	6636	Black	7×
Fairing, Motorcycle, Vintage	85983	Medium Azure	1×
Slope 30? 1 x 2 x 2/3	85984	Dark Purple	7×
Tile 2 x 4 with Groove	87079	Red	2×
Tile 2 x 4 with Groove	87079	Sand Green	1×
Tile 2 x 4 with Groove	87079	Black	1×
Technic Axle 4 with Stop	87083	Dark Bluish Gray	4×
Brick Special 1 x 1 with Stud on 1 Side	87087	Light Bluish Gray	12×
Panel 1 x 2 x 3 [Side Supports / Hollow Studs]	87544	Trans-Clear	3×
Panel 1 x 2 x 2 [Side Supports / Hollow Studs]	87552	Trans-Clear	2×
Panel 1 x 2 x 2 [Side Supports / Hollow Studs]	87552	Black	3×
Plate Special 2 x 2 with Groove and Center Stud (Jumper)	87580	Medium Blue	4×
Plate Special 2 x 2 with Groove and Center Stud (Jumper)	87580	Light Bluish Gray	2×
Plate Special 10 x 10 Octagonal with Hole	89523	Dark Purple	1×
Tyre 17.5 x 6 with Shallow Staggered Treads and Middle Band	92409	Black	1×
Cupboard 2 x 3 x 2 with Hollow Studs	92410	Light Bluish Gray	1×
Cupboard 2 x 3 x 2 with Hollow Studs	92410	White	1×
Brick Round 2 x 2 [Grill]	92947	Reddish Brown	4×
Animal Body Part, Dog Bone [Short]	93160	White	1×
Slope Curved 4 x 1 Double with No Studs	93273	Light Bluish Gray	1×
Brick and Axle Separator v2.0	96874	Orange	1×
Brick Special 1 x 2 with Masonry Brick Profile	98283	Dark Bluish Gray	23×
Slope 75° 2 x 2 x 3 [Solid Studs]	98560	Light Bluish Gray	2×
Large Figure Weapon Spiked Ball, Half	98578	Pearl Titanium	2×

Build DNA

Parts inventory insights for Mystery Mansion

861 pieces puts this build +253% against the average Scooby-Doo set and +157% against the average 2015 release.

LEGOSCOOBY-DOO

Vs average Scooby-Doo set

+253%+617 parts

This set861

Average set244

Average Scooby-Doo set: 244 pieces across 4 other sets.

Vs average 2015 set

+157%+526 parts

This set861

Average set335

Average 2015 set: 335 pieces across 418 other sets.

Color profile

27different colors

Dominant color

Black

Black163x

20%

Reddish Brown163x

20%

Light Bluish Gray149x

18%

Dark Bluish Gray130x

16%

Unique parts

4.4 pieces per unique type

188

Repeat factor

Average pieces per unique type.

Most used part

Brick Special 1 x 2 Palisade [aka Log]

51x

Results 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.

Build Insights🧩188unique parts🎨27different colors📊31.9avg. parts per color🏆51×Brick Special 1 x 2 Palisade [aka Log]

🎨 All Scooby-Doo sets 📅 All sets from 2015

← Back to Buildable Sets