Floating Sea Otters

Name: Floating Sea Otters
SKU: 21366-1

Floating Sea Otters (21366-1) is a set in the LEGO Ideas and CUUSOO theme, released in 2026. It has 1,234 pieces.

Best offer right now

LEGO® Shop (US)

119.99 USD

net · seen 11/5/2026

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Number:21366-1
Released:March 2026
Pieces:1,234
Box size:38.2 × 26.2 × 11.8 cm
Theme:LEGO Ideas and CUUSOO

Box size and weight as measured by Brickset.

In numbers

Over the last 30 days the lowest shop price recorded for this set was 83.46 USD, taken from 30 days with a price on record.

Since 9/25/2026 the lowest shop price has fallen from 99.83 USD to 83.83 USD, by 16 % (based on 42 days with a price on record).

LEGO expects to retire this set in December 2028.

Product details

Number: 21366-1
Name: Floating Sea Otters
Theme: LEGO Ideas and CUUSOO
Released: March 2026
Launched: March 2026
Retires: December 2028 (expected)
Pieces: 1,234
RRP: ≈ 107.63 USD (149.99 CAD) (Canada)≈ 123.93 USD (109.99 EUR) (Germany)≈ 134.99 USD (99.99 GBP) (United Kingdom)119.99 USD (United States)
Price per piece: ≈ 0.087 USD (0.122 CAD) (Canada)≈ 0.100 USD (0.089 EUR) (Germany)≈ 0.109 USD (0.081 GBP) (United Kingdom)0.097 USD (United States)
Best price (30 days): 83.46 USD
Price per piece (best offer): 0.068 USD
Barcodes from shop data, not confirmed: EAN-13 5702018066287

≈ marks a price converted into this currency at the ECB reference rate of its own date — a reference indication, not a tradeable rate. The price as observed follows in brackets.

BrickLink market data

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Description from LEGO.com

Build fun home decor featuring 2 cute sea otters

Read the full description

Max out the cuteness of your home decor with the LEGO® Ideas Floating Sea Otters craft kit (21366) for adults. Create an adorable brick-built model of a mother sea otter relaxing in water with her pup. Place the little pup figure on its mama’s belly. Pose mama’s head, mouth, flippers and claws. And change up your sea animals showpiece by giving mama the buildable clam.The original design for this set was created by a fan designer and voted for by LEGO fans. It offers a joyful, immersive activity for adults, whether you’re new to LEGO sets or a more experienced builder. And you can enjoy enhanced building with the LEGO Builder app, zooming and rotating using 3D instructions, while saving and tracking your progress.A fun gift for animal lovers, this set contains 1,234 pieces.

Source: LEGO Shop Advertising

Can I build this?

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Pricing

Best price ever≈ 83.46 USD (74.99 EUR) Advertising Sealed · gross · Joybuy (DE) · seen 10/29/2026

Current best offer≈ 83.83 USD (74.99 EUR) Advertising Sealed · gross · Joybuy (DE) · seen 11/3/2026

Price history

Lowest shop price now83.83 USD
Lowest ever 83.46 USD

Each day's lowest price among the shops' current offers, including VAT. A price in another currency is converted at the ECB reference rate of its day.

Monthly lows as a table

Month	Lowest price
November 2026	83.78 USD
October 2026	83.46 USD
September 2026	99.41 USD

≈ marks a price converted into this currency at the ECB reference rate of its own date — a reference indication, not a tradeable rate. The price as observed follows in brackets.

Price statistics by condition

Nobody has sold this set recently.

Sources idee+spiel: 45 · LEGO® Shop (US): 41 · Proshop: 41 · Hamleys: 40 · LEGO® Shop (FR): 35 · LEGO® Shop (BR): 33 · Thalia: 29 · LEGO® Shop (DE): 28 · LEGO® Shop (GB): 27 · LEGO® Shop (AT): 26 · LEGO® Shop (BE): 26 · LEGO® Shop (CH): 26 · LEGO® Shop (CZ): 26 · LEGO® Shop (DK): 26 · LEGO® Shop (ES): 26 · LEGO® Shop (FI): 26 · LEGO® Shop (GR): 26 · LEGO® Shop (HU): 26 · LEGO® Shop (IE): 26 · LEGO® Shop (LU): 26 · LEGO® Shop (PT): 26 · LEGO® Shop (SE): 26 · LEGO® Shop (IT): 25 · LEGO® Shop (NL): 25 · LEGO® Shop (NO): 25 · LEGO® Shop (PL): 25 · LEGO® Shop (RO): 25 · LEGO® Shop (SK): 25 · The Entertainer: 20 · Thalia (AT): 19 · bücher.de: 18 · OTTO: 16 · Toy Street: 15 · Zatu Games: 15 · Books-A-Million: 14 · Joybuy (UK): 13 · Joybuy (NL): 12 · Joybuy (DE): 11 · Joybuy (FR): 11 · Orell Füssli: 9 · Conrad (BE): 6 · Conrad (DE): 6 · Conrad (NL): 6 · BRICKMO: 3 · Hugendubel: 3

Where these prices come from

On eBay

The cheapest eBay listings we saw in the last seven days. They are sellers' asking prices, so they are not in the shop price list or the best offer.

We have not seen a current eBay listing for this set.

Recommended retail price

What LEGO published as the recommended retail price, market by market, in that market's own currency. No market's price is ever derived from another's.

Canada ≈ 107.63 USD (149.99 CAD) unknown tax basis Available since 2/10/2026 — still on sale as far as we know.Recorded by BrickDb since 10/16/2026

Germany ≈ 123.93 USD (109.99 EUR) gross Available since 2/10/2026 — still on sale as far as we know.Recorded by BrickDb since 10/16/2026

United Kingdom ≈ 134.99 USD (99.99 GBP) gross Available since 2/10/2026 — still on sale as far as we know.Recorded by BrickDb since 10/16/2026

United States 119.99 USD net Available since 2/10/2026 — still on sale as far as we know.Recorded by BrickDb since 10/16/2026

≈ marks a price converted into this currency at the ECB reference rate of its own date — a reference indication, not a tradeable rate. The price as observed follows in brackets.

Building instructions

All building instructions for this set on LEGO.com

Parts in this set

312 inventory lines

Catalogue image of the part Weapon Bladed Claw Spread

Weapon Bladed Claw Spread 10187· White

×4

Catalogue image of the part Brick Curved 4 x 1 No Studs [Stud Holder with Symmetric Ridges]

Brick Curved 4 x 1 No Studs [Stud Holder with Symmetric Ridges] 11153· Tan

×2

Plate 3 x 3 11212· Reddish Brown

×2

Catalogue image of the part Brick Wedged, Curved 3 x 4 x 2/3 Cutout

Brick Wedged, Curved 3 x 4 x 2/3 Cutout 11291· Tan

×2

Catalogue image of the part Brick Curved 2 x 1 No Studs [1/2 Bow]

Brick Curved 2 x 1 No Studs [1/2 Bow] 11477· Tan

×2

Brick Curved 2 x 1 No Studs [1/2 Bow] 11477· Reddish Brown

×13

Catalogue image of the part Brick Wedged, Sloped 45° 2 x 2 Corner

Brick Wedged, Sloped 45° 2 x 2 Corner 13548· Dark Tan

×5

Catalogue image of the part Animal Body Part, Horn (Cattle) / Tentacle / Vine / Branch / Tongue - Long

Animal Body Part, Horn (Cattle) / Tentacle / Vine / Branch / Tongue - Long 13564· Bright Green

×6

Catalogue image of the part Plate Special 1 x 2 5.9mm Towball Socket

Plate Special 1 x 2 5.9mm Towball Socket 14418· Light Bluish Gray

×2

Catalogue image of the part Plate Special 1 x 2 5.9mm Centre Side Towball Socket

Plate Special 1 x 2 5.9mm Centre Side Towball Socket 14704· Dark Bluish Gray

×2

Catalogue image of the part Brick Curved 2 x 2 x 2/3

Brick Curved 2 x 2 x 2/3 15068· Tan

×5

Brick Curved 2 x 2 x 2/3 15068· Reddish Brown

×22

Catalogue image of the part Plate Special 1 x 1 with Vertical Tooth

Plate Special 1 x 1 with Vertical Tooth 15070· Reddish Brown

×2

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

Tile Special Round 2 x 2 with Hole 15535· Tan

×1

Catalogue image of the part Brick Sloped 45° 2 x 1 with 2/3 Cutout [New Version]

Brick Sloped 45° 2 x 1 with 2/3 Cutout [New Version] 15672· Reddish Brown

×2

Catalogue image of the part Tile Special 1 x 1 with Clip with Rounded Edges

Tile Special 1 x 1 with Clip with Rounded Edges 15712· Tan

×8

Same theme, piece count within 15 %

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Floating Sea Otters

In numbers

Product details

BrickLink market data

Description from LEGO.com

Can I build this?

Pricing

Price history

Latest price from each shop

On eBay

Recommended retail price

Building instructions

Parts in this set

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