About Fish Tank
Fish Tank (31122-1) is a LEGO LEGO set from 2021 valued at $38.26 on BrickLink. It contains 118 cataloged parts. This set has been retired and is only available on the secondary market.
Seller notes
- Sealed copies sell for $66.65 vs $38.26 used — a 74% premium. If you have this set new in sealed box (NISB), price it accordingly.
Parts (118)
Slope, Curved 2 x 1 x 2/3
White
Slope, Curved 2 x 1 x 2/3
Yellow×3
Slope, Curved 2 x 1 x 2/3
Dark Pink
Slope, Curved 4 x 1 Inverted
Yellow
Plate, Modified 1 x 2 with Small Tow Ball Socket on End
Light Bluish Gray
Tile, Round 2 x 2 with Bottom Stud Holder
Bright Pink
Technic, Pin with Friction Ridges and Pin Hole
Black×2
Plate, Modified 1 x 2 with 1 Stud with Groove and Bottom Stud Holder (Jumper)
Orange×2
Brick, Round 2 x 2 with Pin Holes
Yellow×2
Tile, Round 2 x 2 with Open Stud
Dark Blue×2
Tile, Round 2 x 2 with Open Stud
Dark Tan
Plant Flower Stem with Bar and 6 Stems
Green×5
Tile, Round 1 x 1 with Bar and Small Pin Hole
Black×8
Plate, Modified 1 x 2 with Tow Ball on End
Dark Bluish Gray
Plant Leaves 6 x 5
Lavender
Slope, Curved 2 x 1 x 2/3 Inverted
Bright Pink
Plant Leaves 4 x 3
Bright Pink×2
Wedge, Plate 2 x 2 Left
Black
Wedge, Plate 2 x 2 Right
Black
Plate 2 x 12
Tan
Brick, Round Tube 1 x 1 d. 90 degrees Elbow Macaroni - No Stud - Type 2 - Axle Hole
Yellow
Technic, Pin with Short Friction Ridges
Black×3
Bracket 1 x 2 - 1 x 4 with Rounded Corners at the Bottom
Light Bluish Gray×2
Brick 1 x 1
Yellow×2
Plant Sea Grass / Seaweed
Bright Green×2
Brick, Modified 1 x 2 with Log Profile
Light Bluish Gray
Rock 1 x 1 Jewel 24 Facet
Trans-Red×2
Plate 1 x 2
Yellow
Plate 1 x 2
Orange
Plate 1 x 2
Blue×10
Plate 1 x 2
Black×2
Plate 1 x 2
Magenta
Plate 1 x 2
Medium Azure×10
Plate 1 x 1
White×3
Plate 1 x 1
Yellow×5
Plate 1 x 1
Blue×5
Plate 1 x 1
Black×3
Plate 1 x 1
Coral×2
Plate 6 x 12
Tan×4
Slope 45 2 x 2
Dark Bluish Gray×3
Slope 45 2 x 1
Yellow
Brick, Round 1 x 1
Tan×5
Brick, Round 1 x 1
Trans-Clear×5
Tile 2 x 2
Black×6
Tile 1 x 2
Yellow
Tile 1 x 2
Black×4
Tile 1 x 1
Black×5
Slope, Inverted 45 4 x 1 Double
Black×2
Bar 1L with 1 x 1 Round Plate with Hollow Stud
Bright Light Yellow×2
Brick, Modified 1 x 1 x 1 2/3 with Studs on Side
Tan
Plant Stem with Bar (Carrot Top / Twig)
Bright Light Orange×4
Plate 1 x 3
Yellow×3
Slope, Inverted 45 2 x 2 with Flat Bottom Pin
Black
Slope, Inverted 45 2 x 1
Yellow
Bracket 1 x 1 - 1 x 1 Inverted
Black×5
Bracket 1 x 1 - 1 x 1
White×3
Plate 2 x 10
White×4
Cone 4 x 4 x 2 with Axle Hole
Dark Turquoise
Antenna 4H - Flat Top
Trans-Clear×3
Plate, Round 2 x 2 with Axle Hole
Black×2
Brick, Modified 1 x 1 with Headlight
Orange
Plate, Round 1 x 1
Trans-Clear×2
Tile 1 x 8
Black×8
Technic, Pin 1/2 without Friction Ridges
Light Bluish Gray×2
Technic, Axle 1L with Pin with Friction Ridges
Blue
Dish 3 x 3 Inverted (Radar)
Yellow
Dish 3 x 3 Inverted (Radar)
Magenta
Bracket 1 x 2 - 2 x 2
Black×18
Cone 1 x 1 with Top Groove
Yellow×2
Plate, Modified 1 x 2 with Bar Arm Up (Horizontal Arm 5mm)
Light Bluish Gray
Brick, Modified 1 x 1 with Studs on 4 Sides
Lime
Brick, Modified 1 x 1 with Studs on 4 Sides
Dark Bluish Gray
Dish 2 x 2 Inverted (Radar)
Yellow
Dish 2 x 2 Inverted (Radar)
Red
Brick, Modified 1 x 1 with Studs on 2 Sides, Opposite
White
Brick, Modified 1 x 1 with Studs on 2 Sides, Opposite
Tan×2
Brick, Modified 1 x 1 with Studs on 2 Sides, Opposite
Black×2
Brick, Modified 1 x 1 with Studs on 2 Sides, Opposite
Dark Pink×2
Bar 1L with Clip Mechanical Claw - Cut Edges and Hole on Side
Dark Bluish Gray×3
Brick, Round 3 x 3 x 1 1/3 Dome Top - Open Stud
Magenta
Slope, Curved 3 x 1
Black
Brick, Modified 1 x 2 with Studs on 2 Sides
Orange×2
Brick, Modified 1 x 2 with Studs on 2 Sides
Black
Slope 30 1 x 1 x 2/3
White×2
Slope 30 1 x 1 x 2/3
Yellow×4
Slope 30 1 x 1 x 2/3
Orange×6
Slope 30 1 x 1 x 2/3
Blue×3
Slope 30 1 x 1 x 2/3
Black×3
Slope 30 1 x 1 x 2/3
Trans-Dark Pink×3
Brick, Round 2 x 2 Dome Top
Tan
Brick, Round 2 x 2 Dome Top
Trans-Clear
Arch 1 x 3 x 2 Curved Top
Black
Plate, Round 4 x 4 with Hole
Orange
Plate, Round 4 x 4 with Hole
Red
Plate, Modified 1 x 2 with Bar Handle on End
Black×4
Plate 1 x 12
Dark Azure×4
Slope 65 2 x 1 x 2
Light Aqua×5
Slope, Curved 2 x 1 x 1 1/3 with Recessed Stud
Yellow×2
Slope, Curved 2 x 1 x 1 1/3 with Recessed Stud
Blue×2
Brick 1 x 12
Black×6
Plate, Modified 1 x 1 with Open O Clip (Horizontal Grip)
Dark Bluish Gray×4
Cone 3 x 3 x 2
Dark Pink
Plate, Round 1 x 1 with Open Stud
Yellow×2
Plate, Round 1 x 1 with Open Stud
Trans-Light Blue×4
Slope 30 1 x 2 x 2/3
Black×4
Tile 2 x 4
Black×14
Arch 1 x 3 x 2 with Curved End
Black
Plate 2 x 14
Black×4
Cone 2 x 2 Truncated
Dark Turquoise
Cone 2 x 2 Truncated
Dark Pink
Tile, Round 1 x 1
Blue×3
Tile, Round 1 x 1 with Black Eye with Pupil Pattern
White×11
Plant Flower 2 x 2 Rounded - Solid Stud
Yellow
Bracket 1 x 2 - 2 x 2 Inverted
Blue×30
Bracket 1 x 2 - 1 x 2 Inverted
Red×6
Bracket 1 x 2 - 1 x 2 Inverted
Dark Azure×10
Bracket 1 x 2 - 1 x 2
Blue×6
Bracket 1 x 2 - 1 x 2
Dark Bluish Gray×8Common questions about Fish Tank
How much is LEGO Fish Tank (31122-1) worth?
Fish Tank sells for an average of $38.26 used and $66.65 new/sealed on BrickLink based on 6 months of completed sales. As a retired set, prices tend to hold steady or appreciate over time, especially for complete sets with original packaging. Actual prices vary with completeness — missing minifigures or key parts will lower the value.
Is LEGO Fish Tank (31122-1) retired?
Yes, Fish Tank was released in 2021 and has been retired from retail for several years. Retired LEGO sets are only available on the secondary market through BrickLink, eBay, or other resale platforms.
How do I check if my Fish Tank 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.