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Fierce Shark with a Treasure Chest

Fierce Shark with a Treasure Chest

31381-1·LEGO·2026·151 parts

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$25.95
New Avg
$33.54
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About Fierce Shark with a Treasure Chest

Fierce Shark with a Treasure Chest (31381-1) is a LEGO LEGO set from 2026 valued at $25.95 on BrickLink. It contains 151 cataloged parts.

Parts (151)

Brick, Modified 1 x 2 with Studs on 1 Side
Brick, Modified 1 x 2 with Studs on 1 Side
×4
Plate 3 x 3
Plate 3 x 3
×2
Plate 3 x 3
Plate 3 x 3
×2
Plate, Modified 1 x 2 with Clip on Side (Horizontal Grip)
Plate, Modified 1 x 2 with Clip on Side (Horizontal Grip)
Wedge 2 x 2 (Slope 45 Corner)
Wedge 2 x 2 (Slope 45 Corner)
Plate, Modified 1 x 2 with Tow Ball on Side
Plate, Modified 1 x 2 with Tow Ball on Side
×4
Plate, Modified 1 x 2 with Small Tow Ball Socket on End
Plate, Modified 1 x 2 with Small Tow Ball Socket on End
×2
Plate, Modified 1 x 2 with Small Tow Ball Socket on Side
Plate, Modified 1 x 2 with Small Tow Ball Socket on Side
×4
Slope, Curved 2 x 2 x 2/3
Slope, Curved 2 x 2 x 2/3
×2
Slope, Curved 2 x 2 x 2/3
Slope, Curved 2 x 2 x 2/3
Plate, Modified 1 x 1 with Tooth Vertical
Plate, Modified 1 x 1 with Tooth Vertical
Plate, Modified 1 x 2 with 3 Teeth
Plate, Modified 1 x 2 with 3 Teeth
×6
Plate, Modified 1 x 2 with 1 Stud with Groove and Bottom Stud Holder (Jumper)
Plate, Modified 1 x 2 with 1 Stud with Groove and Bottom Stud Holder (Jumper)
×10
Tile, Modified 1 x 1 with Open O Clip
Tile, Modified 1 x 1 with Open O Clip
Tile, Modified 1 x 1 with Open O Clip
Tile, Modified 1 x 1 with Open O Clip
×2
Barb / Claw / Horn / Tooth with Clip, Curved
Barb / Claw / Horn / Tooth with Clip, Curved
×2
Tile, Round 2 x 2 with Open Stud
Tile, Round 2 x 2 with Open Stud
Brick, Modified 1 x 2 x 1 2/3 with Studs on Side
Brick, Modified 1 x 2 x 1 2/3 with Studs on Side
×4
Plate, Round Half 4 x 8
Plate, Round Half 4 x 8
×2
Slope, Inverted 45 6 x 2 Double with 2 x 4 Cutout
Slope, Inverted 45 6 x 2 Double with 2 x 4 Cutout
Plate, Modified 1 x 2 with Tow Ball on End
Plate, Modified 1 x 2 with Tow Ball on End
×2
Minifigure, Utensil Goblet
Minifigure, Utensil Goblet
Bar Holder with Handle
Bar Holder with Handle
×2
Tile, Modified 1 x 2 Grille with Bottom Groove
Tile, Modified 1 x 2 Grille with Bottom Groove
×2
Plate 2 x 2 Corner
Plate 2 x 2 Corner
×4
Plate 2 x 2 Corner
Plate 2 x 2 Corner
×2
Slope, Curved 2 x 1 x 2/3 Inverted
Slope, Curved 2 x 1 x 2/3 Inverted
×5
Wedge, Plate 2 x 2  Left
Wedge, Plate 2 x 2 Left
Wedge, Plate 2 x 2  Left
Wedge, Plate 2 x 2 Left
Wedge, Plate 2 x 2  Right
Wedge, Plate 2 x 2 Right
Wedge, Plate 2 x 2  Right
Wedge, Plate 2 x 2 Right
Tile, Round 1 x 1 Quarter
Tile, Round 1 x 1 Quarter
×3
Plate, Modified 1 x 2 with Bar Handle on Side - Free Ends
Plate, Modified 1 x 2 with Bar Handle on Side - Free Ends
×2
Plate, Modified 1 x 2 with Bar Handle on Side - Free Ends
Plate, Modified 1 x 2 with Bar Handle on Side - Free Ends
×2
Plate, Round 1 x 1 with Bar Handle
Plate, Round 1 x 1 with Bar Handle
Plate, Round 1 x 1 with Bar Handle
Plate, Round 1 x 1 with Bar Handle
×2
Technic, Axle Connector 3L
Technic, Axle Connector 3L
Technic, Axle and Pin Connector Hub with 2 Axles on Opposite Sides
Technic, Axle and Pin Connector Hub with 2 Axles on Opposite Sides
Wedge 6 x 6 Triple Inverted
Wedge 6 x 6 Triple Inverted
Wedge 2 x 1 x 2/3 Right
Wedge 2 x 1 x 2/3 Right
×3
Wedge 2 x 1 x 2/3 Right
Wedge 2 x 1 x 2/3 Right
Wedge 2 x 1 x 2/3 Right
Wedge 2 x 1 x 2/3 Right
Wedge 2 x 1 x 2/3 Left
Wedge 2 x 1 x 2/3 Left
×3
Wedge 2 x 1 x 2/3 Left
Wedge 2 x 1 x 2/3 Left
Wedge 2 x 1 x 2/3 Left
Wedge 2 x 1 x 2/3 Left
Brick 2 x 4
Brick 2 x 4
Brick 1 x 2
Brick 1 x 2
×4
Plant Sea Grass / Seaweed
Plant Sea Grass / Seaweed
×2
Rock 1 x 1 Jewel 24 Facet
Rock 1 x 1 Jewel 24 Facet
×2
Rock 1 x 1 Jewel 24 Facet
Rock 1 x 1 Jewel 24 Facet
×2
Rock 1 x 1 Jewel 24 Facet
Rock 1 x 1 Jewel 24 Facet
×2
Plate 2 x 4
Plate 2 x 4
Plate 2 x 4
Plate 2 x 4
×2
Plate 2 x 3
Plate 2 x 3
×6
Plate 2 x 3
Plate 2 x 3
Plate 2 x 2
Plate 2 x 2
×3
Plate 2 x 2
Plate 2 x 2
×3
Plate 1 x 2
Plate 1 x 2
×7
Plate 1 x 2
Plate 1 x 2
×16
Plate 1 x 1
Plate 1 x 1
×7
Plate 4 x 6
Plate 4 x 6
Plate 2 x 8
Plate 2 x 8
Brick, Modified 1 x 4 with Studs on Side
Brick, Modified 1 x 4 with Studs on Side
×2
Tile 1 x 2
Tile 1 x 2
×2
Tile 1 x 2
Tile 1 x 2
Tile 1 x 1
Tile 1 x 1
×3
Barb / Claw / Horn / Tooth with Clip, Angled
Barb / Claw / Horn / Tooth with Clip, Angled
×6
Technic, Axle  2L Notched
Technic, Axle 2L Notched
Technic Ball Joint
Technic Ball Joint
Slope, Curved 2 x 2 x 2/3 Inverted
Slope, Curved 2 x 2 x 2/3 Inverted
×4
Bar   1L with 1 x 1 Round Plate with Hollow Stud
Bar 1L with 1 x 1 Round Plate with Hollow Stud
×3
Brick, Modified 1 x 1 x 1 2/3 with Studs on Side
Brick, Modified 1 x 1 x 1 2/3 with Studs on Side
×2
Brick, Modified 1 x 1 x 1 2/3 with Studs on Side
Brick, Modified 1 x 1 x 1 2/3 with Studs on Side
×2
Brick, Round 1 x 1 x 2/3 Half Circle Extended with Stud on Side
Brick, Round 1 x 1 x 2/3 Half Circle Extended with Stud on Side
×2
Tile, Modified 2 x 2 with Studs on Edge
Tile, Modified 2 x 2 with Studs on Edge
×4
Plate, Round 1 x 2 with Open Studs
Plate, Round 1 x 2 with Open Studs
×17
Plate, Round 1 x 2 with Open Studs
Plate, Round 1 x 2 with Open Studs
Brick 1 x 3
Brick 1 x 3
×2
Plate 1 x 3
Plate 1 x 3
×8
Minifigure, Head (Plain)
Minifigure, Head (Plain)
Slope, Inverted 45 2 x 2 with Flat Bottom Pin
Slope, Inverted 45 2 x 2 with Flat Bottom Pin
×2
Plate 1 x 6
Plate 1 x 6
Bracket 1 x 1 - 1 x 1 Inverted
Bracket 1 x 1 - 1 x 1 Inverted
×2
Technic, Plate 2 x 4 with 3 Holes
Technic, Plate 2 x 4 with 3 Holes
Plate 1 x 4
Plate 1 x 4
×2
Slope, Curved 1 x 2 with Bottom Stud Holder
Slope, Curved 1 x 2 with Bottom Stud Holder
×4
Plate 2 x 6
Plate 2 x 6
×5
Plate 2 x 6
Plate 2 x 6
Plate 6 x 6
Plate 6 x 6
Plate, Round 2 x 2 with Axle Hole
Plate, Round 2 x 2 with Axle Hole
×8
Plate, Round 2 x 2 with Axle Hole
Plate, Round 2 x 2 with Axle Hole
Dinosaur Tail End Section / Horn
Dinosaur Tail End Section / Horn
Plate, Round 1 x 1
Plate, Round 1 x 1
×5
Plate, Modified 1 x 4 with 2 Studs with Groove
Plate, Modified 1 x 4 with 2 Studs with Groove
×2
Wedge 6 x 4 Triple Inverted Curved
Wedge 6 x 4 Triple Inverted Curved
Wedge, Plate 3 x 2 Right
Wedge, Plate 3 x 2 Right
×3
Wedge, Plate 3 x 2 Left
Wedge, Plate 3 x 2 Left
×3
Technic, Axle and Pin Connector Angled #7 - 168.75 degrees
Technic, Axle and Pin Connector Angled #7 - 168.75 degrees
Bracket 1 x 2 - 2 x 2
Bracket 1 x 2 - 2 x 2
×2
Technic, Axle  3L
Technic, Axle 3L
Plate, Modified 1 x 2 with Bar Handle on Side - Closed Ends
Plate, Modified 1 x 2 with Bar Handle on Side - Closed Ends
Plate, Modified 1 x 2 with Bar Handle on Side - Closed Ends
Plate, Modified 1 x 2 with Bar Handle on Side - Closed Ends
×2
Slope, Inverted 45 4 x 2 Double with 2 x 2 Cutout
Slope, Inverted 45 4 x 2 Double with 2 x 2 Cutout
Plate, Modified 1 x 1 with Tooth Horizontal
Plate, Modified 1 x 1 with Tooth Horizontal
Slope, Curved 3 x 1
Slope, Curved 3 x 1
×2
Wedge 10 x 3 Left
Wedge 10 x 3 Left
×2
Wedge 10 x 3 Right
Wedge 10 x 3 Right
×2
Wedge, Plate 2 x 4
Wedge, Plate 2 x 4
Barb / Claw / Horn / Tooth - Small
Barb / Claw / Horn / Tooth - Small
×3
Wedge 4 x 1 Right
Wedge 4 x 1 Right
Wedge 4 x 1 Left
Wedge 4 x 1 Left
Slope 30 1 x 1 x 2/3
Slope 30 1 x 1 x 2/3
×3
Slope 30 1 x 1 x 2/3
Slope 30 1 x 1 x 2/3
×7
Technic, Axle Connector Hub with 3 Axles
Technic, Axle Connector Hub with 3 Axles
Slope, Curved 2 x 2 x 2/3 Corner Round
Slope, Curved 2 x 2 x 2/3 Corner Round
×2
Plate, Modified 1 x 2 with 2 Open O Clips (Horizontal Grip)
Plate, Modified 1 x 2 with 2 Open O Clips (Horizontal Grip)
Slope 65 2 x 1 x 2
Slope 65 2 x 1 x 2
Slope, Curved 4 x 1
Slope, Curved 4 x 1
Brick, Round 4 x 4 with 4 Side Pin Holes and Center Axle Hole
Brick, Round 4 x 4 with 4 Side Pin Holes and Center Axle Hole
Tile 1 x 3
Tile 1 x 3
×2
Plate, Modified 1 x 2 with Clip on End (Horizontal Grip)
Plate, Modified 1 x 2 with Clip on End (Horizontal Grip)
×2
Plate, Modified 4 x 4 with 2 x 2 Open Center
Plate, Modified 4 x 4 with 2 x 2 Open Center
Rock 1 x 1 Jewel Octagonal
Rock 1 x 1 Jewel Octagonal
×2
Brick, Modified 1 x 2 x 1 2/3 with Studs on Side and Ends
Brick, Modified 1 x 2 x 1 2/3 with Studs on Side and Ends
Technic, Brick Modified 2 x 2 with Ball Socket and Axle Hole - Straight Forks with Round Ends and Closed Sides
Technic, Brick Modified 2 x 2 with Ball Socket and Axle Hole - Straight Forks with Round Ends and Closed Sides
Slope, Curved 6 x 1
Slope, Curved 6 x 1
Cylinder Half 1 x 2 x 1
Cylinder Half 1 x 2 x 1
×2
Brick, Round 1 x 1 x 2/3 Dome Top
Brick, Round 1 x 1 x 2/3 Dome Top
×5
Wedge 4 x 2 Right No Studs
Wedge 4 x 2 Right No Studs
Wedge 4 x 2 Left No Studs
Wedge 4 x 2 Left No Studs
Brick, Modified 2 x 2 x 2/3 Ribbed with Axle Hole
Brick, Modified 2 x 2 x 2/3 Ribbed with Axle Hole
Technic, Brick 1 x 1 with Axle Hole
Technic, Brick 1 x 1 with Axle Hole
×3
Bracket 1 x 1 - 1 x 2 Inverted
Bracket 1 x 1 - 1 x 2 Inverted
×2
Bracket 1 x 1 - 1 x 2 Inverted
Bracket 1 x 1 - 1 x 2 Inverted
×2
Plate 3 x 3 Corner
Plate 3 x 3 Corner
×2
Plate, Modified 1 x 2 with Clip on End (Vertical Grip)
Plate, Modified 1 x 2 with Clip on End (Vertical Grip)
×2
Plate, Modified 1 x 1 with Bar Handles on Ends
Plate, Modified 1 x 1 with Bar Handles on Ends
×2
Plate 1 x 5
Plate 1 x 5
×2
Bracket 1 x 1 - 1 x 2
Bracket 1 x 1 - 1 x 2
×2
Flag 2 x 2 Trapezoid with Flared Edge
Flag 2 x 2 Trapezoid with Flared Edge
×2
Plate, Round 1 x 1 with Open Stud
Plate, Round 1 x 1 with Open Stud
×8
Slope 30 1 x 2 x 2/3
Slope 30 1 x 2 x 2/3
×3
Slope 30 1 x 2 x 2/3
Slope 30 1 x 2 x 2/3
×10
Chain 5 Links
Chain 5 Links
Slope 45 2 x 1 with 2/3 Cutout
Slope 45 2 x 1 with 2/3 Cutout
×13
Slope, Curved 4 x 1 x 2/3 Double
Slope, Curved 4 x 1 x 2/3 Double
×3
Slope, Curved 4 x 2
Slope, Curved 4 x 2
×2
Tile, Round 1 x 1 with Gold and Dark Brown Crown Coin Pattern
Tile, Round 1 x 1 with Gold and Dark Brown Crown Coin Pattern
×8
Bracket 1 x 2 - 2 x 2 Inverted
Bracket 1 x 2 - 2 x 2 Inverted
×2
Minifigure, Utensil Ingot 1 x 2
Minifigure, Utensil Ingot 1 x 2
×2
Bracket 1 x 2 - 1 x 2
Bracket 1 x 2 - 1 x 2

Common questions about Fierce Shark with a Treasure Chest

How much is LEGO Fierce Shark with a Treasure Chest (31381-1) worth?

Fierce Shark with a Treasure Chest sells for an average of $25.95 used and $33.54 new/sealed on BrickLink based on 6 months of completed sales. Current retail availability may affect secondary market prices. Actual prices vary with completeness — missing minifigures or key parts will lower the value.

Is LEGO Fierce Shark with a Treasure Chest (31381-1) retired?

Fierce Shark with a Treasure Chest was released in 2026. It should still be widely available at retail from LEGO and authorized retailers.

How do I check if my Fierce Shark with a Treasure Chest set is complete?

Use the parts list on this page to check every piece. For the minifigures specifically, you can use the brick'em scanner to identify each figure from a photo and confirm it matches what should be in this set. Missing pieces can be individually sourced on BrickLink.

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