Sea Serpent

Sea Serpent (40912-1) is a set in the LEGO Ideas and CUUSOO theme, released in 2026. It has 233 pieces and 2 minifigures.

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Number:40912-1
Released:July 2026
Pieces:233
Box size:20.5 × 19.1 × 6.1 cm
Box weight:319 g
Theme:LEGO Ideas and CUUSOO

Box size and weight as measured by Brickset.

In numbers

LEGO expects to retire this set in December 2026.

Product details

Number: 40912-1
Name: Sea Serpent
Theme: LEGO Ideas and CUUSOO
Released: July 2026
Launched: July 2026
Retires: December 2026 (expected)
Pieces: 233
Minifigures: 2

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Building instructions

All building instructions for this set on LEGO.com

Parts in this set

103 inventory lines

Catalogue image of the part Sail, 9 x 12 with 4 Holes in White with Red Griffin print

Sail, 9 x 12 with 4 Holes in White with Red Griffin print 118832· White

×1

Catalogue image of the part Tile 2 x 2 Corner

Tile 2 x 2 Corner 14719· Blue

×10

Catalogue image of the part Tile Special Round 2 x 2 with Hole

Tile Special Round 2 x 2 with Hole 15535· Black

×1

Catalogue image of the part Weapon Sword with Thick Crossguard (Roman Gladius)

Weapon Sword with Thick Crossguard (Roman Gladius) 18034· Flat Silver

×1

Catalogue image of the part Hinge Plate 1 x 4 Swivel Top / Base - Hollow Clip [Complete Assembly]

Hinge Plate 1 x 4 Swivel Top / Base - Hollow Clip [Complete Assembly] 1927· Black

×4

Catalogue image of the part Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 Side

Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 Side 22885· White

×4

Catalogue image of the part Equipment Goblet / Glass

Equipment Goblet / Glass 2343· Pearl Gold

×1

Catalogue image of the part Large Figure Weapon Lightsaber Hilt with Axle Hole and Two Bar Holders

Large Figure Weapon Lightsaber Hilt with Axle Hole and Two Bar Holders 24122· Reddish Brown

×2

Catalogue image of the part Wedge Plate 2 x 2 Left

Wedge Plate 2 x 2 Left 24299· Reddish Brown

×2

Catalogue image of the part Wedge Plate 2 x 2 Right

Wedge Plate 2 x 2 Right 24307· Reddish Brown

×2

Catalogue image of the part Barrel 2 x 2 x 2

Barrel 2 x 2 x 2 2489· Dark Brown

×1

Catalogue image of the part Tile Round 1 x 1 Quarter

Tile Round 1 x 1 Quarter 25269· Reddish Brown

×2

Tile 2 x 3 26603· Light Bluish Gray

×1

Catalogue image of the part Container Box 2 x 2 x 1 Reinforced Bottom

Container Box 2 x 2 x 1 Reinforced Bottom 2821· Medium Nougat

×2

Catalogue image of the part Brick Special 1 x 2 Palisade [aka Log]

Brick Special 1 x 2 Palisade [aka Log] 30136· Black

×2

Plate 2 x 4 3020· White

×2

2 minifigures

Minifigures in this set

Griffin Knight, Female, Dark Blue Arms

/ fig-017958 /

No retail priceNo recent sales

Griffin Knight, Male, Dark Blue Arms

/ fig-017959 /

No retail priceNo recent sales

Same theme, piece count within 15 %

Similar sets

Sea Serpent

In numbers

Product details

BrickLink market data

Can I build this?

Pricing

On eBay

Building instructions

Parts in this set

Minifigures in this set

Griffin Knight, Female, Dark Blue Arms

Griffin Knight, Male, Dark Blue Arms

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