# LEGO 21366-1 — Floating Sea Otters (2026)

Source: https://www.brickmissing.com/sets/21366-1-floating-sea-otters
Publisher: BrickMissing (https://www.brickmissing.com) — free LEGO parts checker. Not affiliated with the LEGO Group.

Immerse yourself in tranquil charm with the LEGO Ideas Floating Sea Otters (21366-1). This exquisite 2026 set invites you to craft an endearing brick-built model of a mother sea otter gracefully relaxing in water, her adorable pup nestled snugly on her belly. Marvel at the intricate details, including mama otter's poseable head, mouth, flippers, and claws, allowing for dynamic display options. You can even present her with a charming buildable clam accessory, adding a touch of realism to this serene scene. A testament to fan creativity, this set originated from a beloved fan design, making it a truly special piece of home decor for animal lovers and LEGO enthusiasts alike.

## Set facts

- Set number: 21366-1
- Name: Floating Sea Otters
- Theme: LEGO Ideas and CUUSOO
- Released: 2026
- Pieces: 1234
- Distinct part + colour lots: 272
- LEGO retail price: € 109,99
- Build difficulty: advanced
- Repairability: 4.4% of this set's lots are hard to replace (12 of 272 part+colour combinations appear in three or fewer sets in the entire LEGO catalog).

## Complete parts list (272 lots, 1234 pieces)

Prices are the official LEGO Pick a Brick price per individual part, where LEGO publishes one.

| Qty | Part | Colour | Part no. | LEGO element ID | LEGO price each |
| ---: | --- | --- | --- | --- | --- |
| 4 | Plate 2 x 2 Corner | Black | 2420 | 242026 | €0,07 |
| 6 | Tile 1 x 4 with Groove | Black | 2431 | 243126 | €0,12 |
| 4 | Brick 1 x 1 | Black | 3005 | 300526 | €0,07 |
| 4 | Brick 1 x 8 | Black | 3008 | 300826 | €0,24 |
| 2 | Plate 2 x 4 | Black | 3020 | 302026 | €0,15 |
| 2 | Plate 2 x 3 | Black | 3021 | 302126 | €0,13 |
| 12 | Plate 2 x 2 | Black | 3022 | 302226 | €0,10 |
| 3 | Plate 1 x 2 | Black | 3023 | 302326 | €0,08 |
| 4 | Plate 1 x 1 | Black | 3024 | 302426 | €0,06 |
| 8 | Plate 2 x 8 | Black | 3034 | 303426 | €0,29 |
| 6 | Plate 4 x 8 | Black | 3035 | 303526 | €0,46 |
| 4 | ROUND BRICK 1X1 | Black | 3062 | — | — |
| 2 | FLAT TILE 1X1 | Black | 3070 | — | — |
| 1 | Plate 1 x 8 | Black | 3460 | 346026 | €0,18 |
| 4 | Plate 1 x 3 | Black | 3623 | 362326 | €0,07 |
| 1 | Technic Plate 2 x 4 [3 Holes] | Black | 3709 | 370926 | €0,13 |
| 2 | Plate 1 x 4 | Black | 3710 | 371026 | €0,12 |
| 2 | Plate 6 x 6 | Black | 3958 | 395826 | €0,53 |
| 6 | Tile 1 x 8 with Groove | Black | 4162 | 416226 | €0,15 |
| 12 | Plate 1 x 10 | Black | 4477 | 447726 | €0,16 |
| 4 | Plate Special 4 x 6 with Studs on 3 Edges | Black | 6180 | 4100378 | €0,31 |
| 1 | Plate Special 1 x 2 with Door Rail | Black | 32028 | 4107761 | €0,05 |
| 10 | Wedge Plate 3 x 2 Right | Black | 43722 | 4180508 | €0,15 |
| 10 | Wedge Plate 3 x 2 Left | Black | 43723 | 4180536 | €0,15 |
| 8 | Plate Round Corner 3 x 3 | Black | 30357 | 4227392 | €0,17 |
| 4 | Wedge Plate 3 x 3 Cut Corner | Black | 2450 | 4227684 | €0,12 |
| 2 | Plate 4 x 4 | Black | 3031 | 4243819 | €0,21 |
| 3 | Plate Round 2 x 2 with Rounded Bottom [Boat Stud] | Black | 2654 | 4278359 | €0,07 |
| 2 | Plate Special 1 x 8 with Door Rail | Black | 4510 | 4286009 | €0,22 |
| 1 | Turntable 4 x 4 Square Base, Locking | Black | 61485 | 4517986 | €0,25 |
| 4 | Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style] | Black | 85080 | 4567436 | €0,10 |
| 1 | Brick Special 1 x 2 Palisade [aka Log] | Black | 30136 | 4644456 | €0,10 |
| 6 | Bracket 1 x 2 - 2 x 2 Inverted | Black | 99207 | 6000650 | €0,10 |
| 6 | Plate 2 x 14 | Black | 91988 | 6001494 | €0,41 |
| 8 | BRICK 2X8 | Black | 93888 | — | — |
| 2 | Plate Special 4 x 4 with 2 x 2 Opening | Black | 64799 | 6058118 | €0,29 |
| 3 | Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] | Black | 99563 | 6156991 | €0,05 |
| 8 | Plate Special 1 x 1 Rounded with Handle | Black | 26047 | 6157554 | €0,06 |
| 2 | Slope Curved 2 x 1 with Stud Notch Right | Black | 29119 | 6181713 | €0,07 |
| 2 | Slope Curved 2 x 1 with Stud Notch Left | Black | 29120 | 6181720 | €0,07 |
| 4 | Tile 2 x 2 Curved, Macaroni | Black | 27925 | 6191630 | €0,08 |
| 1 | Plate Special Round 2 x 2 with Center Stud (Jumper Plate) | Black | 18674 | 6195325 | €0,07 |
| 1 | Plate Special 1 x 2 Rounded with 2 Open Studs | Black | 35480 | 6210270 | €0,07 |
| 2 | Tile 45° Cut 2 x 2 (Triangle) | Black | 35787 | 6214807 | €0,10 |
| 1 | FLAT TILE 2X3 W/ ANGLE | Black | 35341 | — | — |
| 6 | PLATE 1X1 W/HOLDER VERTICAL | Black | 52738 | — | — |
| 2 | PLATE 1X2 W/HOLDER, VERTICAL | Black | 49563 | — | — |
| 4 | Bracket 1 x 1 - 1 x 2 Inverted | Black | 73825 | 6335317 | €0,10 |
| 2 | PLATE 2X1 W/HOLDER,VERTICAL | Black | 42923 | — | — |
| 1 | Plate 1 x 5 | Black | 78329 | 6350415 | €0,16 |
| 4 | Bracket 3 x 2 x 1 1/3 with Bottom Stud Holder | Black | 73562 | 6395375 | €0,15 |
| 2 | Plate Special 1 x 4 Rounded with 2 Open Studs | Black | 77845 | 6428167 | €0,15 |
| 4 | Bar 1L with Clip [Cut Edges and One Side Hole] [Full Clip] | Black | 3484 | 6439039 | €0,07 |
| 6 | Plate 3 x 3 Corner | Black | 77844 | 6439175 | €0,17 |
| 1 | Slope 33° 2 x 2 Double | Black | 3300 | 6470264 | €0,16 |
| 2 | Plate 4 x 4 Corner | Black | 2639 | 6483102 | €0,27 |
| 2 | Plate Special 2 x 2 with Horizontal T-Bar Underneath | Black | 5066 | 6488003 | €0,38 |
| 1 | Slope Curved 2 x 2 with Stud Notch Left | Black | 5095 | 6507846 | €0,25 |
| 4 | 3.2 SHAFT W/ 5.9 BALL | Black | 67692 | — | — |
| 1 | Slope Curved 2 x 2 with Stud Notch Right | Black | 5093 | 6477759 | €0,25 |
| 4 | Slope Curved 3 x 1 x 2/3 | Black | 7302 | 6566851 | €0,16 |
| 1 | Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle | Black | 18651 | 6089119 | €0,08 |
| 2 | Technic Pin with Friction Ridges Lengthwise with No Center Slots | Black | 61332 | 6279875 | €0,06 |
| 2 | Technic Axle Connector with Axle Hole [Reinforced] | Black | 42135 | 6331716 | €0,27 |
| 6 | Brick 1 x 6 | Tan | 3009 | 4112982 | €0,25 |
| 12 | Plate 1 x 4 | Tan | 3710 | 4113233 | €0,12 |
| 2 | Brick 1 x 1 | Tan | 3005 | 4113915 | €0,07 |
| 7 | Plate 1 x 2 | Tan | 3023 | 4113917 | €0,08 |
| 3 | Plate 2 x 8 | Tan | 3034 | 4113988 | €0,29 |
| 2 | FLAT TILE 1X2 | Tan | 3069 | — | — |
| 4 | Plate 2 x 2 Corner | Tan | 2420 | 4114077 | €0,07 |
| 2 | Plate 2 x 2 | Tan | 3022 | 4114084 | €0,10 |
| 6 | Plate 2 x 4 | Tan | 3020 | 4114309 | €0,15 |
| 4 | Plate 1 x 3 | Tan | 3623 | 4121921 | €0,07 |
| 6 | Brick 1 x 10 | Tan | 6111 | 4166138 | €0,36 |
| 2 | Technic Brick 1 x 1 with Pin Hole | Tan | 6541 | 4179771 | €0,07 |
| 3 | BRICK 2X6 | Tan | 44237 | — | — |
| 2 | Wedge Plate 3 x 3 Cut Corner | Tan | 2450 | 4208072 | €0,12 |
| 1 | Plate Special 1 x 2 [Side Handle Closed Ends] | Tan | 48336 | 4217562 | €0,07 |
| 1 | Plate 2 x 10 | Tan | 3832 | 4249019 | €0,29 |
| 1 | Tile 1 x 4 with Groove | Tan | 2431 | 4550324 | €0,12 |
| 2 | Slope 30? 1 x 2 x 2/3 | Tan | 85984 | 4624086 | €0,07 |
| 3 | BRICK 2X8 | Tan | 93888 | — | — |
| 2 | Slope Curved 4 x 1 No Studs [Stud Holder with Symmetric Ridges] | Tan | 11153 | 6042952 | €0,12 |
| 2 | Slope Curved 2 x 1 No Studs [1/2 Bow] | Tan | 11477 | 6046922 | €0,06 |
| 5 | Slope Curved 2 x 2 x 2/3 | Tan | 15068 | 6046924 | €0,13 |
| 1 | Tile Round 2 x 2 with Hole | Tan | 15535 | 6115248 | €0,07 |
| 1 | Tile 2 x 4 with Groove | Tan | 87079 | 6122047 | €0,16 |
| 1 | Wedge Plate 3 x 2 Right | Tan | 43722 | 6138230 | €0,15 |
| 2 | Tile Round 1 x 1 Quarter | Tan | 25269 | 6145570 | €0,05 |
| 2 | Bracket 1 x 2 - 2 x 2 Inverted | Tan | 99207 | 6174925 | €0,10 |
| 1 | Plate Special 2 x 2 with Only 2 studs | Tan | 33909 | 6221467 | €0,06 |
| 1 | Plate Special 4 x 4 with 2 x 2 Opening | Tan | 64799 | 6223291 | €0,29 |
| 1 | Slope Curved 3 x 2 No Studs | Tan | 24309 | 6232147 | €0,21 |
| 9 | Wedge Plate 2 x 2 Cut Corner | Tan | 26601 | 6236914 | €0,07 |
| 1 | Wedge Curved 4 x 3 No Studs [Plain] | Tan | 64225 | 6278150 | €0,30 |
| 4 | BRICK 2X10 | Tan | 92538 | — | — |
| 6 | Slope Curved 2 x 1 with Stud Notch Right | Tan | 29119 | 6299935 | €0,07 |
| 6 | Slope Curved 2 x 1 with Stud Notch Left | Tan | 29120 | 6299936 | €0,07 |
| 2 | Tile 45° Cut 2 x 2 (Triangle) | Tan | 35787 | 6314477 | €0,10 |
| 2 | Plate Special 2 x 2 x 2/3 with Axle Hole and Grill on Sides (Haybale) | Tan | 71752 | 6330903 | €0,40 |
| 8 | Plate 1x1 with Up Right Holder | Tan | 44842 | — | — |
| 2 | PLATE 2X1 W/HOLDER,VERTICAL | Tan | 42923 | — | — |
| 1 | Slope Curved 3 x 2 with Stud Notch Right | Tan | 80178 | 6404628 | €0,30 |
| 1 | Slope Curved 3 x 2 with Stud Notch Left | Tan | 80177 | 6404629 | €0,30 |
| 2 | FRONT 4X3X2/3, W/ BOW | Tan | 31584 | — | — |
| 3 | Tile Round 1 x 2 Half Circle | Tan | 1748 | 6510069 | €0,13 |
| 1 | Slope Curved 2 x 2 with Stud Notch Right | Tan | 5093 | 6546719 | €0,25 |
| 1 | Slope Curved 2 x 2 with Stud Notch Left | Tan | 5095 | 6546722 | €0,25 |
| 2 | Technic Axle Pin with Friction Ridges Lengthwise | Black | 43093 | 4206482 | €0,06 |
| 7 | Plate 1 x 2 | Black | 3023 | 302326 | €0,08 |
| 4 | Plate 1 x 1 | Black | 3024 | 302426 | €0,06 |
| 4 | Tile Round 1 x 1 Quarter | Black | 25269 | 6172383 | €0,05 |
| 6 | Plate 2 x 2 | Black | 3022 | 302226 | €0,10 |
| 6 | Plate 2 x 3 | Black | 3021 | 302126 | €0,13 |
| 6 | Plate Round Corner 3 x 3 | Black | 30357 | 4227392 | €0,17 |
| 5 | Wedge Plate 3 x 2 Left | Black | 43723 | 4180536 | €0,15 |
| 5 | Wedge Plate 3 x 2 Right | Black | 43722 | 4180508 | €0,15 |
| 4 | Plate 1 x 6 | Black | 3666 | 366626 | €0,17 |
| 2 | Tile 45° Cut 2 x 2 (Triangle) | Black | 35787 | 6214807 | €0,10 |
| 12 | Plate 2 x 4 | Black | 3020 | 302026 | €0,15 |
| 8 | Plate 1 x 3 | Black | 3623 | 362326 | €0,07 |
| 6 | Animal Body Part, Horn (Cattle) / Tentacle / Vine / Branch / Tongue - Long | Black | 13564 | 6312496 | €0,12 |
| 8 | Horn with Shaft | Bright Green | 88513 | — | — |
| 10 | Plate Round 1 x 1 with Solid Stud | Orange | 6141 | 4157103 | €0,05 |
| 1 | ELEMENT SEPARATOR | Orange | 31510 | — | — |
| 2 | Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [2 Lateral Holes, Small Pin Hole] | Orange | 65304 | 6347790 | €0,13 |
| 8 | Technic Axle 2 Notched | Red | 32062 | 4142865 | €0,07 |
| 2 | Plate 2 x 2 Corner | Yellow | 2420 | 242024 | €0,07 |
| 2 | Plate 1 x 3 | Yellow | 3623 | 362324 | €0,07 |
| 3 | PLATE 2X2 ROUND | Yellow | 4032 | — | — |
| 12 | BRICK Ø16 W. CROSS | Yellow | 6143 | — | — |
| 17 | Plate Special 1 x 2 Rounded with 2 Open Studs | Yellow | 35480 | 6248971 | €0,07 |
| 2 | FLAT TILE 1X1, ROUND | Yellow | 35381 | — | — |
| 2 | Technic Axle 3 | Yellow | 4519 | 6130007 | €0,05 |
| 4 | Plate 1 x 2 | Trans-Bright Green | 3023 | 6514011 | €0,10 |
| 6 | Plate 1 x 4 | Tan | 3710 | 4113233 | €0,12 |
| 5 | Plate Round 1 x 1 with Solid Stud | Trans-Bright Green | 6141 | 6240206 | €0,04 |
| 1 | Plate 1 x 8 | Dark Bluish Gray | 3460 | 4210998 | €0,18 |
| 1 | Plate 2 x 6 | Dark Bluish Gray | 3795 | 4211002 | €0,19 |
| 2 | Plate 1 x 2 | Dark Bluish Gray | 3023 | 4211063 | €0,08 |
| 2 | Brick Special 1 x 2 Palisade [aka Log] | Dark Bluish Gray | 30136 | 4211095 | €0,10 |
| 4 | Plate Special 3 x 2 with Rounded End, Hole | Dark Bluish Gray | 3176 | 4225733 | €0,12 |
| 4 | Plate Special 1 x 2 with Handle on End [Closed Ends] | Dark Bluish Gray | 60478 | 4521187 | €0,06 |
| 1 | Plate Round 4 x 4 with Pin Hole | Dark Bluish Gray | 60474 | 4528323 | €0,17 |
| 2 | Plate Special 1 x 2 5.9mm Centre Side Towball Socket | Dark Bluish Gray | 14704 | 6146792 | €0,13 |
| 14 | Plate Special 1 x 2 Rounded with 2 Open Studs | Dark Bluish Gray | 35480 | 6221607 | €0,07 |
| 2 | Plate Special 2 x 4 with Groove and Two Center Studs (Jumper) | Dark Bluish Gray | 65509 | 6307616 | €0,18 |
| 1 | PLATE 1X2 W/HOLDER, VERTICAL | Dark Bluish Gray | 49563 | — | — |
| 2 | Plate Special 2 x 2 with Horizontal T-Bar Underneath | Dark Bluish Gray | 5066 | 6457961 | €0,38 |
| 3 | Plant, Plate 1 x 1 Round with 3 Leaves | Black | 32607 | 6578319 | €0,06 |
| 1 | Plate Round 2 x 2 with Rounded Bottom [Boat Stud] | Black | 2654 | 4278359 | €0,07 |
| 3 | Plate 2 x 2 | Light Bluish Gray | 3022 | 4211397 | €0,10 |
| 8 | Plate 1 x 5 | Light Bluish Gray | 78329 | 6372029 | €0,16 |
| 2 | Plate 3 x 3 Corner | Light Bluish Gray | 77844 | 6547152 | €0,17 |
| 1 | Brick 2 x 4 | Light Bluish Gray | 3001 | 4211385 | €0,22 |
| 5 | Plate 2 x 4 | Light Bluish Gray | 3020 | 4211395 | €0,15 |
| 1 | Plate 6 x 8 | Light Bluish Gray | 3036 | 4211408 | €0,71 |
| 2 | Plate 1 x 8 | Light Bluish Gray | 3460 | 4211425 | €0,18 |
| 4 | Brick Arch 1 x 4 | Light Bluish Gray | 3659 | 4211435 | €0,16 |
| 4 | Technic Brick 1 x 2 [1 Pin Hole] | Light Bluish Gray | 3700 | 4211440 | €0,12 |
| 2 | Brick Arch 1 x 6 Raised Arch | Light Bluish Gray | 92950 | 4618874 | €0,19 |
| 2 | Plate 2 x 14 | Light Bluish Gray | 91988 | 4662161 | €0,41 |
| 2 | Plate Special 1 x 2 5.9mm Towball Socket | Light Bluish Gray | 14418 | 6043639 | €0,16 |
| 2 | Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 Side | Light Bluish Gray | 22885 | 6123809 | €0,17 |
| 4 | Wedge Plate 2 x 2 Cut Corner | Light Bluish Gray | 26601 | 6186657 | €0,07 |
| 16 | BRICK 1X2 WITH CROSS HOLE | Light Bluish Gray | 31493 | — | — |
| 2 | Plate Special 1 x 2 [Open O Top Clip] | Light Bluish Gray | 44861 | 6326078 | €0,15 |
| 10 | Plate 1 x 1 x 2/3 Half Round with Side Stud | Light Bluish Gray | 3386 | 6448793 | €0,10 |
| 2 | Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised - Updated Version | Light Bluish Gray | 4304 | 6469440 | €0,11 |
| 2 | Technic Pin Connector Perpendicular 2 x 2 Bent | Light Bluish Gray | 44809 | 4211880 | €0,36 |
| 2 | BALL W. CROSS AXLE | Light Bluish Gray | 3985 | — | — |
| 1 | Wedge Plate 4 x 2 Right | Black | 41769 | 6430076 | €0,11 |
| 1 | Wedge Plate 4 x 2 Left | Black | 41770 | 6430083 | €0,11 |
| 7 | Plate 1 x 2 | Black | 3023 | 302323 | €0,08 |
| 2 | FLAT TILE 1X2 | Reddish Brown | 3069 | — | — |
| 12 | Plate 1 x 3 | Black | 3623 | 362323 | €0,07 |
| 11 | Plate 2 x 3 | Black | 3021 | 302123 | €0,13 |
| 2 | Plate 1 x 4 | Black | 3710 | 371023 | €0,12 |
| 4 | Brick 2 x 4 | Black | 3001 | 300123 | €0,22 |
| 2 | Plate 4 x 8 | Black | 3035 | 303526 | €0,46 |
| 1 | Plate 2 x 8 | Black | 3034 | 303423 | €0,29 |
| 3 | Plate 2 x 6 | Black | 3795 | 379523 | €0,19 |
| 6 | Plate 2 x 2 Corner | Black | 2420 | 242023 | €0,07 |
| 2 | FLAT TILE 1X1 | Reddish Brown | 3070 | — | — |
| 1 | Plate 2 x 2 | Black | 3022 | 302226 | €0,10 |
| 4 | Plate 1 x 8 | Black | 3460 | 346023 | €0,18 |
| 1 | Plate 6 x 6 | Black | 3958 | 4199519 | €0,53 |
| 2 | Plate 1 x 6 | Black | 3666 | 366623 | €0,17 |
| 13 | Plate 1 x 1 | Black | 3024 | 302423 | €0,06 |
| 1 | Plate 4 x 4 | Black | 3031 | 4243815 | €0,21 |
| 6 | Plate Round Corner 3 x 3 | Black | 30357 | 6288176 | €0,17 |
| 7 | Slope 30° 1 x 1 x 2/3 (Cheese Slope) | Black | 54200 | 4504382 | €0,06 |
| 2 | Wedge Sloped 45° 2 x 4 Triple | Black | 47759 | 6301912 | €0,31 |
| 5 | Plate Special 1 x 2 with Door Rail | Black | 32028 | 4107761 | €0,05 |
| 2 | Slope Curved 4 x 1 Double with No Studs | Black | 93273 | 4613153 | €0,15 |
| 13 | Slope 30? 1 x 2 x 2/3 | Black | 85984 | 4548180 | €0,07 |
| 6 | Plate Round 2 x 2 with Rounded Bottom [Boat Stud] | Black | 2654 | 4278359 | €0,07 |
| 13 | Slope Curved 2 x 1 No Studs [1/2 Bow] | Black | 11477 | 6047276 | €0,06 |
| 2 | Slope 45? 2 x 1 with 2/3 Cutout [New Version] | Black | 15672 | 6069000 | €0,05 |
| 2 | BRICK 2X8 | Reddish Brown | 93888 | — | — |
| 2 | BRICK 2X10 | Reddish Brown | 92538 | — | — |
| 10 | Tile 1 x 3 | Black | 63864 | 4558170 | €0,11 |
| 3 | Bracket 1 x 2 - 2 x 2 | Reddish Brown | 21712 | — | — |
| 22 | Slope Curved 2 x 2 x 2/3 | Black | 15068 | 6116786 | €0,13 |
| 6 | Tile Round 1 x 1 Quarter | Black | 25269 | 6302961 | €0,05 |
| 4 | Plate Special 1 x 1 Rounded with Handle | Black | 26047 | 6157554 | €0,06 |
| 2 | PLATE 3X4 W/ANGLES | Reddish Brown | 28842 | — | — |
| 1 | Plate Special 3 x 2 with Rounded End, Hole | Black | 3176 | 317623 | €0,12 |
| 2 | Plate Special 2 x 2 with Only 2 studs | Black | 33909 | 6192346 | €0,06 |
| 2 | Wedge Plate 2 x 2 Cut Corner | Black | 26601 | 6390153 | €0,07 |
| 3 | Plate Special 1 x 2 [Side Handle Closed Ends] | Black | 48336 | 4514398 | €0,07 |
| 3 | Slope 45° 2 x 1 with 2/3 Inverted Cutout and no stud | Black | 28192 | 6228601 | €0,07 |
| 4 | Plate Special 1 x 2 Rounded with 2 Open Studs | Black | 35480 | 6315482 | €0,07 |
| 3 | Plate Special 1 x 3 with 2 Studs with Groove and Inside Stud Holder (Jumper) | Black | 34103 | 6231513 | €0,07 |
| 2 | Tile 45° Cut 2 x 2 (Triangle) | Black | 35787 | 6214807 | €0,10 |
| 25 | Slope Curved 2 x 1 with Stud Notch Right | Black | 29119 | 6172411 | €0,07 |
| 2 | Slope Curved 2 x 1 with Stud Notch Left | Black | 29120 | 6172414 | €0,07 |
| 2 | Tile Special 2 x 2 Corner with Cut Corner - Facet | Black | 27263 | 6166859 | €0,07 |
| 1 | Tile 2 x 3 | Black | 26603 | 6196596 | €0,11 |
| 6 | Slope Curved 3 x 1 No Studs | Black | 50950 | 4251161 | €0,12 |
| 2 | Plate Special 1 x 1 with Vertical Tooth | Black | 15070 | 6173959 | €0,10 |
| 2 | PLATE 1X1 W. HOLDER | Reddish Brown | 44860 | — | — |
| 4 | PLATE 2X1 W/HOLDER,VERTICAL | Reddish Brown | 42923 | — | — |
| 2 | Brick Special 2 x 4 with 3 Axle Holes | Black | 39789 | 6244917 | €0,29 |
| 2 | Bracket 1 x 1 - 1 x 1 | Black | 36841 | 6299338 | €0,05 |
| 6 | Brick Special 1 x 1 with Studs on 2 Adjacent Sides | Black | 26604 | 6187572 | €0,10 |
| 2 | Bar 1L with Clip [Cut Edges and One Side Hole] [Full Clip] | Black | 3484 | 6439050 | €0,07 |
| 2 | Plate Special 1 x 2 with Clip Vertical on End | Black | 78256 | 6350725 | €0,19 |
| 1 | Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised - Updated Version | Black | 4304 | 6469445 | €0,11 |
| 1 | Slope Curved 2 x 2 x 2/3 Inverted | Black | 32803 | 6211476 | €0,11 |
| 2 | Wedge Curved 4 x 3 No Studs [Plain] | Black | 64225 | 6009018 | €0,30 |
| 2 | Plate 3 x 3 | Black | 11212 | 6307275 | €0,12 |
| 1 | Wedge Plate 2 x 4 27° Left | Black | 65429 | 6295295 | €0,18 |
| 1 | Wedge Plate 2 x 4 27° Right | Black | 65426 | 6295293 | €0,18 |
| 2 | Brick Round Corner, Curved 3 x 3 x 1 Quarter Circle | Black | 76797 | 6441096 | €0,34 |
| 10 | Brick Curved 1 x 2 x 1 2/3 with 1 Cutout | Black | 5907 | 6534031 | €0,24 |
| 2 | Slope 1 x 6 x 1 with 1 x 2 x 1/3 Cutout | Black | 4569 | 6508013 | €0,51 |
| 2 | Brick Arch 1 x 5 x 3 1/3 Curved Top | Black | 5845 | 6544447 | €0,24 |
| 3 | Slope Curved 2 x 2 with Stud Notches | Black | 66956 | 6308912 | €0,13 |
| 7 | Brick Round Corner, Curved 2 x 2 x 2/3 Quarter Circle | Black | 5852 | 6562635 | €0,21 |
| 4 | Plate Special 1 x 1 Rounded with Handle | Black | 26047 | 6157554 | €0,06 |
| 1 | Brick 2 x 4 | Dark Tan | 3001 | 4247145 | €0,22 |
| 1 | Plate 2 x 4 | Dark Tan | 3020 | 4267874 | €0,15 |
| 1 | Plate 1 x 1 | Dark Tan | 3024 | 4549436 | €0,06 |
| 2 | Slope 30? 1 x 2 x 2/3 | Dark Tan | 85984 | 6015449 | €0,07 |
| 2 | Plate 2 x 3 | Dark Tan | 3021 | 6035540 | €0,13 |
| 1 | Plate 1 x 3 | Dark Tan | 3623 | 6132768 | €0,07 |
| 2 | Plate Special 1 x 2 Rounded with 2 Open Studs | Dark Tan | 35480 | 6231386 | €0,07 |
| 1 | Bracket 1 x 2 - 1 x 2 Inverted | Dark Tan | 99780 | 6250168 | €0,10 |
| 1 | Slope Curved 2 x 1 with Stud Notch Right | Dark Tan | 29119 | 6258949 | €0,07 |
| 1 | Slope Curved 2 x 1 with Stud Notch Left | Dark Tan | 29120 | 6258951 | €0,07 |
| 1 | Wedge Sloped 4 x 2 Triple Right | Dark Tan | 43711 | 6268578 | €0,25 |
| 1 | Brick Special 1 x 1 with Headlight | Dark Tan | 4070 | 6273590 | €0,07 |
| 5 | Wedge Sloped 45° 2 x 2 Corner | Dark Tan | 13548 | 6331865 | €0,13 |
| 2 | Plate Round Corner 3 x 3 | Dark Tan | 30357 | 6368432 | €0,17 |
| 1 | Plate Special 2 x 2 with Only 2 studs | Dark Tan | 33909 | 6396392 | €0,06 |
| 16 | PL.ROUND 1X1 W. THROUGHG. HOLE | Trans-Neon Green | 29387 | — | — |
| 59 | FLAT TILE 1X4 | Trans-Neon Green | 35371 | — | — |
| 9 | PLATE 1X2 | Trans-Neon Green | 28653 | — | — |
| 27 | FLAT TILE 1X2 | Trans-Neon Green | 35386 | — | — |
| 12 | FLAT TILE 1X1 | Trans-Neon Green | 35403 | — | — |
| 6 | 1/4 CIRCLE TILE 1X1 | Trans-Neon Green | 84411 | — | — |
| 18 | Plate Special 2 x 2 with Double Inverted Curve, 1 Stud | Yellow | 4190 | 6511008 | €0,19 |
| 1 | FLAT TILE 1X1, ROUND 'NO. 51' | Medium Lime | 25619 | — | — |
| 1 | Technic Plate 2 x 4 [3 Holes] | White | 3709 | 370901 | €0,13 |
| 1 | Plate 4 x 4 | White | 3031 | 4243812 | €0,21 |
| 2 | Animal Body Part, Clam / Scallop Half Shell with 4 Studs | White | 18970 | 6097097 | €0,40 |
| 6 | Bracket 1 x 2 - 2 x 2 | White | 21712 | — | — |
| 4 | PL.ROUND 1X1 W. THROUGHG. HOLE | White | 28626 | — | — |
| 2 | Technic Brick 1 x 1 with Axle Hole | White | 73230 | 6345886 | €0,17 |
| 2 | Bracket 1 x 1 - 1 x 2 | White | 79389 | 6442358 | €0,10 |

## Notes

- Track which of these parts you own and see what is missing: https://www.brickmissing.com/sets/21366-1-floating-sea-otters
- Inventory data is based on official LEGO inventories via the Rebrickable catalog, updated daily.
- Part images, minifigure lists and related sets are on the set page: https://www.brickmissing.com/sets/21366-1-floating-sea-otters