How many pieces are in the Floating Sea Otters?

Floating Sea Otters contains 1,234 pieces.

What age is the Floating Sea Otters recommended for?

This set is recommended for ages 18+.

When was the Floating Sea Otters released?

Floating Sea Otters was released in 2026.

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🏛 LEGO Ideas and CUUSOO

Set #21366

Floating Sea Otters

Floating Sea Otters is a delightful tribute to marine wildlife.

Before you buy

Who it's for: Ages 18+ · Intermediate build Perfect for LEGO fans who enjoy nature-themed sets and appreciate creative building techniques.
Build: 1,234 pieces · about 4.5 hours Build time is an estimate.
Price: $119.99 list price · 9.7¢ per piece
Availability: Current release · expected exit Dec 31, 2028

★★★★☆ 4.3 AI-generated review score, not a customer rating

The Floating Sea Otters set is praised for its adorable design and clever use of color to capture the beauty of marine life. Some builders feel the price is slightly high considering the piece count, but overall, it's considered a charming and satisfying build.

$119.99

Best Price

$107.99

You Save

10% OFF

📝 Our Take

AI-assisted editorial summary, grounded in our LEGO database and public community discussions. How we use AI

Floating Sea Otters is a delightful tribute to marine wildlife. This LEGO Ideas set perfectly captures the playful nature of sea otters in their natural habitat, making it a charming and engaging build for LEGO enthusiasts of all ages.

This set is perfect for animal lovers and those seeking a relaxing building experience. The use of vibrant colors and clever building techniques results in a visually appealing display piece that will bring joy to any room.

Skip this if you prefer action-packed themes or complex building challenges. While the Floating Sea Otters set is visually stunning, those seeking a more intricate build might prefer sets like the LEGO Ideas Globe 21332-1 or the Bonsai Tree 10281-1.

✨ New

Ask BlockTalk about this set

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Hi! I'm BlockTalk, your LEGO expert. Ask me anything about the Floating Sea Otters - building tips, investment potential, comparisons, or anything else!

Try asking:

How does the Floating Sea Otters set compare to other LEGO Ideas nature-themed sets in terms of building experience and display value? What are some creative ways to display the Floating Sea Otters set to enhance its visual appeal? How does the price-per-piece ratio of this set compare to other sets in the LEGO Ideas theme? What are the key design elements that make this set stand out from other LEGO animal models?

🧱 Building Experience

AI-assisted build estimate, grounded in our LEGO database and public community discussions. How we use AI

🧩

1,234

Pieces

⏱

4.5h

Estimated Build Time

📊

Intermediate

Difficulty

📏

8cm × 30cm × 19cm

Dimensions

Build Highlights:

Innovative use of transparent blue tiles to simulate water.
Incorporation of curved slopes to create realistic otter shapes.
Clever integration of plant elements to represent kelp forests.
Dynamic posing of the otters creates a sense of movement and playfulness.

📈 Investment Analysis

AI-assisted investment analysis, grounded in our LEGO database and public community discussions. How we use AI

↑ Trending up since release

B+

Investment Grade

⏳ Current release

The Floating Sea Otters set has good investment potential due to its unique theme and appealing design. LEGO Ideas sets often retain or increase in value, especially those with broad appeal. The rising price trend suggests strong early demand. While the piece count is moderate for the price, the set's aesthetic and display value make it a worthwhile addition to any collection. However, monitor the market after retirement to gauge long-term appreciation.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

⚖ Compare Similar Sets

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Bonsai Tree

LEGO Botanical Collection • 878 pcs

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Compared to other LEGO Ideas sets, the Floating Sea Otters offers a unique focus on marine wildlife. While sets like the Tree House 21318-1 offer a larger build experience, the Sea Otters provide a more compact and visually striking display piece. Consider this set for its charming design and relaxing building process.

📦 Parts Inventory

Official piece count: 1,234
Parts cataloged in this inventory: 170 unique parts, 1,234 pieces

Missing a piece? Check this set piece by piece, with look-alike colors flagged and element IDs for replacements.

Weapon Bladed Cla...

Part #: 10187 4× White

Brick Curved 4 x ...

Part #: 11153 2× Tan

Plate 3 x 3

Part #: 11212 2× Reddish Brown

Brick Wedged, Cur...

Part #: 11291 2× Tan

Brick Curved 2 x ...

Part #: 11477 13× Reddish Brown

Brick Curved 2 x ...

Part #: 11477 2× Tan

Brick Wedged, Slo...

Part #: 13548 5× Dark Tan

Animal Body Part,...

Part #: 13564 6× Bright Green

Plate Special 1 x...

Part #: 14418 2× Light Bluish Gray

Plate Special 1 x...

Part #: 14704 2× Dark Bluish Gray

Brick Curved 2 x ...

Part #: 15068 22× Reddish Brown

Brick Curved 2 x ...

Part #: 15068 5× Tan

Plate Special 1 x...

Part #: 15070 2× Reddish Brown

Tile Special Roun...

Part #: 15535 1× Tan

Brick Sloped 45° ...

Part #: 15672 2× Reddish Brown

Part #: 18651 1× Black

Plate Special Rou...

Part #: 18674 1× Black

Animal Body Part,...

Part #: 18970 2× White

Tile Special 2 x ...

Part #: 22385 1× Black

Bar 2L with Towball

Part #: 22484 4× Black

Plant, Cherries

Part #: 22667 22× Olive Green

Brick Special 1 x...

Part #: 22885 2× Light Bluish Gray

Plate 2 x 2 Corner

Part #: 2420 2× Yellow

Plate 2 x 2 Corner

Part #: 2420 6× Reddish Brown

Plate 2 x 2 Corner

Part #: 2420 4× Black

Plate 2 x 2 Corner

Part #: 2420 4× Tan

Plant, Leaves 4 x 3

Part #: 2423 11× Dark Green

Brick Curved 3 x ...

Part #: 24309 9× Reddish Brown

Part #: 2431 59× Trans-Light Blue

Tile 1 x 4 with G...

Part #: 2431 6× Black

Wedge Plate 3 x 3...

Part #: 2450 4× Black

Part #: 25269 4× Dark Turquoise

Tile Round 1 x 1 ...

Part #: 25269 6× Reddish Brown

Tile Round 1 x 1 ...

Part #: 25269 6× Trans-Light Blue

Plate Special 1 x...

Part #: 26047 8× Black

Plate Special 1 x...

Part #: 26047 4× Reddish Brown

Plate Special 1 x...

Part #: 26047 4× Sand Green

Plate 4 x 4 Corner

Part #: 2639 2× Black

Plate Round 2 x 2...

Part #: 2654 1× Bright Pink

Plate Round 2 x 2...

Part #: 2654 6× Reddish Brown

Plate Round 2 x 2...

Part #: 2654 3× Black

Wedge Plate 2 x 2...

Part #: 26601 6× Dark Turquoise

Wedge Plate 2 x 2...

Part #: 26601 4× Light Bluish Gray

Wedge Plate 2 x 2...

Part #: 26601 2× Reddish Brown

Wedge Plate 2 x 2...

Part #: 26601 9× Tan

Tile 2 x 3

Part #: 26603 1× Reddish Brown

Brick Special 1 x...

Part #: 26604 6× Reddish Brown

Tile Special 2 x ...

Part #: 27263 2× Reddish Brown

Technic Axle Towball

Part #: 2736 2× Light Bluish Gray

Tile 2 x 2 Curved...

Part #: 27925 4× Black

Brick Sloped 45° ...

Part #: 28192 3× Reddish Brown

Brick Wedged, Cur...

Part #: 29119 2× Black

Brick Wedged, Cur...

Part #: 29119 6× Tan

Brick Wedged, Cur...

Part #: 29119 1× Dark Tan

Brick Wedged, Cur...

Part #: 29119 25× Reddish Brown

Brick Wedged, Cur...

Part #: 29120 2× Black

Brick Wedged, Cur...

Part #: 29120 1× Dark Tan

Brick Wedged, Cur...

Part #: 29120 2× Reddish Brown

Brick Wedged, Cur...

Part #: 29120 6× Tan

Brick 2 x 4

Part #: 3001 1× Dark Tan

Brick 2 x 4

Part #: 3001 1× Light Bluish Gray

Brick 2 x 4

Part #: 3001 4× Reddish Brown

Brick 1 x 1

Part #: 3005 4× Black

Part #: 3006 2× Reddish Brown

Brick 2 x 8

Part #: 3007 3× Tan

Brick 2 x 8

Part #: 3007 2× Reddish Brown

Brick 2 x 8

Part #: 3007 8× Black

Brick 1 x 8

Part #: 3008 4× Black

Brick 1 x 6

Part #: 3009 6× Tan

Brick Special 1 x...

Part #: 30136 2× Dark Bluish Gray

Brick Special 1 x...

Part #: 30136 1× Black

Plate 2 x 4

Part #: 3020 5× Light Bluish Gray

Plate 2 x 4

Part #: 3020 2× Black

Plate 2 x 4

Part #: 3020 1× Dark Tan

Plate 2 x 4

Part #: 3020 6× Tan

Plate 2 x 4

Part #: 3020 12× Dark Turquoise

Plate 2 x 3

Part #: 3021 2× Dark Tan

Plate 2 x 3

Part #: 3021 11× Reddish Brown

Plate 2 x 3

Part #: 3021 6× Dark Turquoise

Plate 2 x 3

Part #: 3021 2× Black

Plate 2 x 2

Part #: 3022 2× Tan

Plate 2 x 2

Part #: 3022 6× Dark Turquoise

Plate 2 x 2

Part #: 3022 12× Black

Plate 2 x 2

Part #: 3022 1× Reddish Brown

Plate 2 x 2

Part #: 3022 3× Medium Nougat

Plate 1 x 2

Part #: 3023 2× Dark Bluish Gray

Plate 1 x 2

Part #: 3023 3× Black

Plate 1 x 2

Part #: 3023 7× Tan

Plate 1 x 2

Part #: 3023 9× Trans-Light Blue

Plate 1 x 2

Part #: 3023 4× Dark Brown

Plate 1 x 2

Part #: 3023 7× Reddish Brown

Plate 1 x 2

Part #: 3023 7× Dark Turquoise

Plate 1 x 1

Part #: 3024 13× Reddish Brown

Plate 1 x 1

Part #: 3024 4× Dark Turquoise

Plate 1 x 1

Part #: 3024 1× Dark Tan

Plate 1 x 1

Part #: 3024 4× Black

Plate 4 x 4

Part #: 3031 2× Black

Plate 4 x 4

Part #: 3031 1× White

Plate 4 x 4

Part #: 3031 1× Reddish Brown

Plate 2 x 8

Part #: 3034 8× Black

Plate 2 x 8

Part #: 3034 1× Reddish Brown

Plate 2 x 8

Part #: 3034 3× Tan

Plate 4 x 8

Part #: 3035 2× Reddish Brown

Plate 4 x 8

Part #: 3035 6× Black

Plate Round Corne...

Part #: 30357 6× Dark Turquoise

Plate Round Corne...

Part #: 30357 6× Reddish Brown

Plate Round Corne...

Part #: 30357 2× Dark Tan

Plate Round Corne...

Part #: 30357 8× Black

Plate 6 x 8

Part #: 3036 1× Light Bluish Gray

Brick Round 1 x 1...

Part #: 3062b 4× Black

Tile 1 x 2 with G...

Part #: 3069b 27× Trans-Light Blue

Tile 1 x 2 with G...

Part #: 3069b 2× Reddish Brown

Tile 1 x 2 with G...

Part #: 3069b 2× Tan

Tile 1 x 1 with G...

Part #: 3070b 2× Reddish Brown

Tile 1 x 1 with G...

Part #: 3070b 2× Black

Tile 1 x 1 with G...

Part #: 3070b 12× Trans-Light Blue

Plate Special 3 x...

Part #: 3176 4× Dark Bluish Gray

Plate Special 3 x...

Part #: 3176 1× Reddish Brown

Plate Special 1 x...

Part #: 32028 1× Black

Plate Special 1 x...

Part #: 32028 5× Reddish Brown

Technic Axle 2 No...

Part #: 32062 8× Red

Technic Brick 1 x...

Part #: 32064a 16× Light Bluish Gray

Plant, Plate 1 x ...

Part #: 32607 3× Dark Green

Brick Curved Inve...

Part #: 32803 1× Reddish Brown

Brick Sloped 33° ...

Part #: 3300 1× Black

Plate Special 1 x...

Part #: 3386 10× Light Bluish Gray

Plate Special 2 x...

Part #: 33909 1× Tan

Plate Special 2 x...

Part #: 33909 1× Dark Tan

Plate Special 2 x...

Part #: 33909 2× Reddish Brown

Plate Special 1 x...

Part #: 34103 3× Reddish Brown

Plate 1 x 8

Part #: 3460 1× Dark Bluish Gray

Plate 1 x 8

Part #: 3460 2× Light Bluish Gray

Plate 1 x 8

Part #: 3460 1× Black

Plate 1 x 8

Part #: 3460 4× Reddish Brown

Bar 1L with Clip ...

Part #: 3484 4× Black

Bar 1L with Clip ...

Part #: 3484 2× Reddish Brown

Plate Special 1 x...

Part #: 35480 14× Dark Bluish Gray

Plate Special 1 x...

Part #: 35480 2× Dark Tan

Plate Special 1 x...

Part #: 35480 17× Yellow

Plate Special 1 x...

Part #: 35480 4× Reddish Brown

Plate Special 1 x...

Part #: 35480 1× Black

Tile 45° Cut 2 x ...

Part #: 35787 2× Tan

Tile 45° Cut 2 x ...

Part #: 35787 2× Black

Tile 45° Cut 2 x ...

Part #: 35787 2× Reddish Brown

Tile 45° Cut 2 x ...

Part #: 35787 2× Dark Turquoise

Plate 1 x 3

Part #: 3623 8× Dark Turquoise

Plate 1 x 3

Part #: 3623 4× Black

Plate 1 x 3

Part #: 3623 4× Tan

Plate 1 x 3

Part #: 3623 12× Reddish Brown

Plate 1 x 3

Part #: 3623 2× Yellow

Plate 1 x 3

Part #: 3623 1× Dark Tan

Brick Arch 1 x 4

Part #: 3659 4× Light Bluish Gray

Plate 1 x 6

Part #: 3666 4× Dark Turquoise

Plate 1 x 6

Part #: 3666 2× Reddish Brown

Bracket 1 x 1 - 1...

Part #: 36841 2× Reddish Brown

Technic Brick 1 x...

Part #: 3700 4× Light Bluish Gray

Technic Plate 2 x...

Part #: 3709 1× Black

Technic Plate 2 x...

Part #: 3709 1× White

Plate 1 x 4

Part #: 3710 2× Black

Plate 1 x 4

Part #: 3710 2× Reddish Brown

Plate 1 x 4

Part #: 3710 6× Dark Brown

Plate 1 x 4

Part #: 3710 12× Tan

Plate 2 x 6

Part #: 3795 1× Dark Bluish Gray

Plate 2 x 6

Part #: 3795 3× Reddish Brown

Plate 2 x 10

Part #: 3832 1× Tan

Brick Round 2 x 2...

Part #: 3941 12× Yellow

Plate 6 x 6

Part #: 3958 1× Reddish Brown

Plate 6 x 6

Part #: 3958 2× Black

Brick Special 2 x...

Part #: 39789 2× Reddish Brown

Plate Round 2 x 2...

Part #: 4032a 3× Yellow

Brick Special 1 x...

Part #: 4070 1× Dark Tan

Tile 1 x 8 with G...

Part #: 4162 6× Black

Wedge Plate 4 x 2...

Part #: 41769 1× Reddish Brown

Wedge Plate 4 x 2...

Part #: 41770 1× Reddish Brown

Plate Special 2 x...

Part #: 4190 18× Trans-Light Blue

Technic Axle Conn...

Part #: 42135 2× Black

Plate Special 2 x...

Part #: 4304 2× Light Bluish Gray

Plate Special 2 x...

Part #: 4304 1× Reddish Brown

Technic Axle Pin ...

Part #: 43093 2× Blue

Brick Wedged, Slo...

Part #: 43711 1× Dark Tan

Wedge Plate 3 x 2...

Part #: 43722 10× Black

Wedge Plate 3 x 2...

Part #: 43722 5× Dark Turquoise

Wedge Plate 3 x 2...

Part #: 43722 1× Tan

Wedge Plate 3 x 2...

Part #: 43723 10× Black

Wedge Plate 3 x 2...

Part #: 43723 5× Dark Turquoise

Bracket 1 x 2 - 2...

Part #: 44728 3× Reddish Brown

Bracket 1 x 2 - 2...

Part #: 44728 6× White

Plate 1 x 10

Part #: 4477 12× Black

Technic Pin Conne...

Part #: 44809 2× Light Bluish Gray

Plate Special 1 x...

Part #: 44861 2× Light Bluish Gray

Plate Special 1 x...

Part #: 4510 2× Black

Technic Axle 3

Part #: 4519 2× Yellow

Brick Sloped 1 x ...

Part #: 4569 2× Reddish Brown

Brick Wedged, Slo...

Part #: 47759 2× Reddish Brown

Plate Special 1 x...

Part #: 48336 1× Tan

Plate Special 1 x...

Part #: 48336 3× Reddish Brown

Plate Special 2 x...

Part #: 5066 2× Dark Bluish Gray

Plate Special 2 x...

Part #: 5066 2× Black

Tile 1 x 2 with S...

Part #: 5091 4× Trans-Light Blue

Tile 1 x 2 with S...

Part #: 5092 4× Trans-Light Blue

Brick Wedged, Cur...

Part #: 5093 4× Reddish Brown

Brick Wedged, Cur...

Part #: 5093 1× Black

Part #: 5095 1× Black

Brick Wedged, Cur...

Part #: 5095 4× Reddish Brown

Brick Curved 3 x ...

Part #: 50950 6× Reddish Brown

Animal Body Part,...

Part #: 53451 8× Bright Green

Brick Sloped 30° ...

Part #: 54200 7× Reddish Brown

Plate Special 2 x...

Part #: 5518 4× Black

Brick Arch 1 x 5 ...

Part #: 5845 2× Reddish Brown

Brick Round Corne...

Part #: 5852 7× Reddish Brown

Brick Curved 1 x ...

Part #: 5907 10× Reddish Brown

Plate Special 1 x...

Part #: 60470b 2× Black

Plate Special 1 x...

Part #: 60470b 1× Dark Bluish Gray

Plate Round 4 x 4...

Part #: 60474 1× Dark Bluish Gray

Plate Special 1 x...

Part #: 60478 4× Dark Bluish Gray

Plate Special 1 x...

Part #: 60897 2× Reddish Brown

Brick 1 x 10

Part #: 6111 6× Tan

Plate Special 1 x...

Part #: 61252 6× Black

Technic Pin with ...

Part #: 61332 2× Black

Plate Round 1 x 1...

Part #: 6141 10× Orange

Plate Round 1 x 1...

Part #: 6141 5× Dark Brown

Turntable 4 x 4 S...

Part #: 61485 1× Black

Plate Special 4 x...

Part #: 6180 4× Black

Tile 1 x 3

Part #: 63864 10× Reddish Brown

Plate Special 1 x...

Part #: 63868 2× Black

Plate Special 1 x...

Part #: 63868 2× Tan

Plate Special 1 x...

Part #: 63868 4× Reddish Brown

Brick Wedged, Cur...

Part #: 64225 2× Reddish Brown

Part #: 64799 2× Black

Technic Pin Long ...

Part #: 65304 2× Orange

Technic Brick 1 x...

Part #: 6541 2× Tan

Wedge Plate 2 x 4...

Part #: 65426 1× Reddish Brown

Wedge Plate 2 x 4...

Part #: 65429 1× Reddish Brown

Plate Special 2 x...

Part #: 65509 2× Dark Bluish Gray

Brick Wedged, Cur...

Part #: 66956 3× Reddish Brown

Brick Wedged, Rou...

Part #: 7037 4× Reddish Brown

Plate Special 2 x...

Part #: 71752 2× Tan

Brick Curved 3 x ...

Part #: 7302 4× Black

Technic Brick 1 x...

Part #: 73230 2× White

Bracket 3 x 2 x 1...

Part #: 73562 4× Black

Bracket 1 x 1 - 1...

Part #: 73825 4× Black

Brick Round Corne...

Part #: 76797 2× Reddish Brown

Plate 3 x 3 Corner

Part #: 77844 2× Medium Nougat

Plate 3 x 3 Corner

Part #: 77844 6× Black

Plate Special 1 x...

Part #: 77845 2× Black

Plate Special 1 x...

Part #: 78256 2× Reddish Brown

Brick Sloped 30° ...

Part #: 7826 4× Black

Plate 1 x 5

Part #: 78329 8× Medium Nougat

Plate 1 x 5

Part #: 78329 1× Black

Tile 2 x 2 Curved...

Part #: 7836 6× Trans-Light Blue

Bracket 1 x 1 - 1...

Part #: 79389 2× White

Brick Wedged, Cur...

Part #: 80177 5× Reddish Brown

Part #: 80178 5× Reddish Brown

Brick Round Corne...

Part #: 85080 4× Black

Plate Round 1 x 1...

Part #: 85861 4× White

Plate Round 1 x 1...

Part #: 85861 16× Trans-Light Blue

Brick Sloped 30° ...

Part #: 85984 2× Dark Tan

Brick Sloped 30° ...

Part #: 85984 2× Tan

Brick Sloped 30° ...

Part #: 85984 13× Reddish Brown

Tile 2 x 4 with G...

Part #: 87079 1× Tan

Wedge Plate 3 x 4...

Part #: 90194 2× Reddish Brown

Plate 2 x 14

Part #: 91988 2× Light Bluish Gray

Plate 2 x 14

Part #: 91988 6× Black

Brick Arch 1 x 6 ...

Part #: 92950 2× Light Bluish Gray

Brick Curved 4 x ...

Part #: 93273 2× Reddish Brown

Brick and Axle Se...

Part #: 96874 1× Orange

Tile Round 1 x 1

Part #: 98138 2× Yellow

Tile Round 1 x 1 ...

Part #: 98138pr0051 1× Pearl Gold

Bracket 1 x 2 - 2...

Part #: 99207 6× Black

Bracket 1 x 2 - 2...

Part #: 99207 2× Tan

Tile Special 1 x ...

Part #: 99563 3× Black

Bracket 1 x 2 - 1...

Part #: 99780 1× Dark Tan

The set features a generous supply of Trans-Light Blue tiles, perfect for creating realistic water effects in MOCs. The Reddish Brown curved slopes are also valuable for shaping organic forms.

Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

1 video found

BlockTalk AI

MyBrickTime offers a positive first impression of the LEGO Sea Otters set (21366), emphasizing the inclusion of both mom and pup otters. The reviewer appreciates the flexible posing options, particularly the mom otter's head and mouth, noting its appeal within the LEGO Ideas lineup.