40912-1

Sea Serpent

Set number: 40912-1
Year: 2026
Theme: LEGO Ideas and CUUSOO
Parts: 241
Minifigures: 2

Building instructions

The building instructions are on the official LEGO website. We do not host any instructions ourselves; the link below takes you to the official page.

View building instructions on LEGO.com (opens an external website)This set on Rebrickable (opens an external website)

Minifigures

fig-017958Griffin Knight, Female, Dark Blue Arms1×4 parts
fig-017959Griffin Knight, Male, Dark Blue Arms1×4 parts

Parts list – 40912-1 Sea Serpent

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103 lines, 244 pieces

Parts list of set 40912-1
Part	Name	Colour	Quantity	Note
3957b	Antenna 1 x 4 with Flat TopBars, Ladders and Fences	Reddish Brown	4×
3484	Bar 1L with Clip [Cut Edges and One Side Hole] [Full Clip]Bars, Ladders and Fences	Reddish Brown	4×
87994	Bar 3LBars, Ladders and Fences	White	1×
92950	Brick Arch 1 x 6 Raised ArchBricks Curved	Black	1×
5907	Brick Curved 1 x 2 x 1 2/3 with 1 CutoutBricks Curved	Red	4×
78666	Brick Curved 2 x 1 with Inverted CutoutBricks Curved	Black	2×
93273	Brick Curved 4 x 1 Double, No StudsBricks Curved	Black	2×
3062b	Brick Round 1 x 1 Open StudBricks Round and Cones	Black	2×
77180	Brick Round, Curved 10 x 2 x 2 with Rounded End LeftBricks Round and Cones	Black	2×
77182	Brick Round, Curved 10 x 2 x 2 with Rounded End RightBricks Round and Cones	Black	2×
59900	Cone 1 x 1 [Top Groove]Bricks Round and Cones	Reddish Brown	2×
5404	Brick Sloped 18° 2 x 1 x 2/3Bricks Sloped	Dark Brown	6×
3039	Brick Sloped 45° 2 x 2Bricks Sloped	Black	1×
32952	Brick Special 1 x 1 x 1 2/3 with Studs on 1 SideBricks Special	Black	6×
32952	Brick Special 1 x 1 x 1 2/3 with Studs on 1 SideBricks Special	Dark Bluish Gray	6×
30136	Brick Special 1 x 2 Palisade [aka Log]Bricks Special	Black	2×
22885	Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 SideBricks Special	White	4×
67329	Brick Special 1 x 2 x 1 2/3 with 8 Studs on 3 SidesBricks Special	Black	2×
2489	Barrel 2 x 2 x 2Containers	Dark Brown	1×
2821	Container Box 2 x 2 x 1 Reinforced BottomContainers	Medium Nougat	2×
4495b	Flag 4 x 1 Wavy [First Wave Right]Flags, Banners and Signs	Dark Blue	1×
4495b	Flag 4 x 1 Wavy [First Wave Right]Flags, Banners and Signs	Pearl Gold	2×
3937	Hinge Brick 1 x 2 BaseHinges, Arms and Turntables	Black	1×
6134	Hinge Brick 2 x 2 Top Plate ThinHinges, Arms and Turntables	Black	1×
1927	Hinge Plate 1 x 4 Swivel Top / Base - Hollow Clip [Complete Assembly]Hinges, Arms and Turntables	Black	4×
2343	Equipment Goblet / GlassMinifig Accessories	Pearl Gold	1×
87585	Equipment Oar / Paddle [Reinforced]Minifig Accessories	Reddish Brown	2×
4972pr0005	Shield Triangular with Spiked Top with Red/Blue Griffin on Yellow Background PrintMinifig Shields, Weapons, & Tools	Flat Silver	2×
53454	Weapon Axe Head, Clip-on (Viking) [Thick Clip]Minifig Shields, Weapons, & Tools	Flat Silver	1×
64567	Weapon Lightsaber Hilt with Bottom RingMinifig Shields, Weapons, & Tools	Black	2×
93789	Weapon Pike / Spear Flat EndMinifig Shields, Weapons, & Tools	Flat Silver	1×
18034	Weapon Sword with Thick Crossguard (Roman Gladius)Minifig Shields, Weapons, & Tools	Flat Silver	1×
3023	Plate 1 x 2Plates	Black	5×
3023	Plate 1 x 2Plates	White	2×
3710	Plate 1 x 4Plates	Black	3×
3710	Plate 1 x 4Plates	Reddish Brown	2×
3666	Plate 1 x 6Plates	Tan	2×
4282	Plate 2 x 16Plates	Red	1×
3021	Plate 2 x 3Plates	Black	2×
3021	Plate 2 x 3Plates	Reddish Brown	4×
3020	Plate 2 x 4Plates	Reddish Brown	2×
3020	Plate 2 x 4Plates	White	2×
3795	Plate 2 x 6Plates	Reddish Brown	1×
3032	Plate 4 x 6Plates	Reddish Brown	1×
6141	Plate Round 1 x 1 with Solid StudPlates Round Curved and Dishes	Pearl Gold	8×
4032a	Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)Plates Round Curved and Dishes	Dark Brown	1×
35480	Plate Special 1 x 2 Rounded with 2 Open StudsPlates Round Curved and Dishes	Black	13×
36840	Bracket 1 x 1 - 1 x 1 InvertedPlates Special	Reddish Brown	6×
79389	Bracket 1 x 1 - 1 x 2Plates Special	Reddish Brown	2×
73825	Bracket 1 x 1 - 1 x 2 InvertedPlates Special	Reddish Brown	10×
99780	Bracket 1 x 2 - 1 x 2 InvertedPlates Special	Reddish Brown	2×
3386	Plate Special 1 x 1 x 2/3 Half Round with Side StudPlates Special	Blue	8×
3386	Plate Special 1 x 1 x 2/3 Half Round with Side StudPlates Special	Light Bluish Gray	6×
48336	Plate Special 1 x 2 [Side Handle Closed Ends]Plates Special	Black	1×
88072	Plate Special 1 x 2 with Bar Up [Horizontal Arm 5mm]Plates Special	Reddish Brown	1×
60470b	Plate Special 1 x 2 with Clips Horizontal [Open O Clips]Plates Special	Black	1×
87580	Plate Special 2 x 2 with Groove and Center Stud (Jumper)Plates Special	Dark Bluish Gray	1×
87580	Plate Special 2 x 2 with Groove and Center Stud (Jumper)Plates Special	Reddish Brown	2×
71752	Plate Special 2 x 2 x 2/3 with Axle Hole and Grill on Sides (Haybale)Plates Special	Black	1×
4304	Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised [Half Hollow Anti-stud] - Updated VersionPlates Special	Light Bluish Gray	6×
24299	Wedge Plate 2 x 2 LeftPlates Wedged	Reddish Brown	2×
24307	Wedge Plate 2 x 2 RightPlates Wedged	Reddish Brown	2×
51739	Wedge Plate 2 x 4Plates Wedged	Black	1×
43723	Wedge Plate 3 x 2 LeftPlates Wedged	Blue	1×
43722	Wedge Plate 3 x 2 RightPlates Wedged	Blue	1×
41770	Wedge Plate 4 x 2 LeftPlates Wedged	Reddish Brown	2×
41769	Wedge Plate 4 x 2 RightPlates Wedged	Reddish Brown	2×
54384	Wedge Plate 6 x 3 LeftPlates Wedged	Reddish Brown	2×
54383	Wedge Plate 6 x 3 RightPlates Wedged	Reddish Brown	2×
3737	Technic Axle 10Technic Axles	Black	1×
32123b	Technic Bush 1/2 Smooth with Axle Hole Semi-ReducedTechnic Bushes	Black	1×
24122	Large Figure Weapon Lightsaber Hilt with Axle Hole and Two Bar HoldersTechnic Connectors	Reddish Brown	2×
59443	Technic Axle Connector Smooth [with x Hole + Orientation]Technic Connectors	Reddish Brown	2×
62462	Technic Pin Connector Round [Slotted]Technic Connectors	Reddish Brown	3×
43093	Technic Axle Pin with Friction Ridges LengthwiseTechnic Pins	Blue	4×
89678	Technic Pin 1/2 with FrictionTechnic Pins	Dark Bluish Gray	1×
3069b	Tile 1 x 2 with GrooveTiles	Blue	2×
3069b	Tile 1 x 2 with GrooveTiles	Dark Bluish Gray	1×
4162	Tile 1 x 8 with GrooveTiles	Blue	2×
14719	Tile 2 x 2 CornerTiles	Blue	10×
26603	Tile 2 x 3Tiles	Light Bluish Gray	1×
87079	Tile 2 x 4 with GrooveTiles	Reddish Brown	1×
98138	Tile Round 1 x 1Tiles Round and Curved	Reddish Brown	1×
25269	Tile Round 1 x 1 QuarterTiles Round and Curved	Reddish Brown	2×
98138pr0018	Tile Round 1 x 1 with Cookie PrintTiles Round and Curved	Medium Nougat	1×
98138pr0283	Tile Round 1 x 1 with Golden Crown PrintTiles Round and Curved	Pearl Gold	1×
99563	Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot]Tiles Special	Pearl Gold	2×
49153	Tile Special 2 x 2 with Top Pin [Squared Holes]Tiles Special	Black	1×
15535	Tile Special Round 2 x 2 with HoleTiles Special	Black	1×
118832	Sail, 9 x 12 with 4 Holes in White with Red Griffin PrintTransportation - Sea and Air	White	1×
90195	Window 1 x 2 x 2 CastleWindows and Doors	Reddish Brown	3×
38320	Window Pane Latticed 1 x 2 x 2Windows and Doors	Pearl Gold	3×
87994	Bar 3LBars, Ladders and Fences	White	1×	Spare
64567	Weapon Lightsaber Hilt with Bottom RingMinifig Shields, Weapons, & Tools	Black	1×	Spare
18034	Weapon Sword with Thick Crossguard (Roman Gladius)Minifig Shields, Weapons, & Tools	Flat Silver	1×	Spare
6141	Plate Round 1 x 1 with Solid StudPlates Round Curved and Dishes	Pearl Gold	1×	Spare
32123b	Technic Bush 1/2 Smooth with Axle Hole Semi-ReducedTechnic Bushes	Black	1×	Spare
89678	Technic Pin 1/2 with FrictionTechnic Pins	Dark Bluish Gray	1×	Spare
98138	Tile Round 1 x 1Tiles Round and Curved	Reddish Brown	1×	Spare
25269	Tile Round 1 x 1 QuarterTiles Round and Curved	Reddish Brown	1×	Spare
98138pr0018	Tile Round 1 x 1 with Cookie PrintTiles Round and Curved	Medium Nougat	1×	Spare
98138pr0283	Tile Round 1 x 1 with Golden Crown PrintTiles Round and Curved	Pearl Gold	1×	Spare
38320	Window Pane Latticed 1 x 2 x 2Windows and Doors	Pearl Gold	1×	Spare