BricksValue

LEGO Floating Sea Otters (21366)

Ideas · 1,234 pieces

From £76.99 at Amazon.co.uk · 23% off

Not retiring yet (on sale since 2026)

LEGO Floating Sea Otters (21366)
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Compare prices (UK)

Regular price £99.99

See it at Amazon.co.uk, £76.99

Buy now: Ideas sets are usually 0% off here, so this beats the norm.

. Amazon offers can be third-party (marked).

Similar sets with bigger discounts

Price history

Lowest price today
£76.99
at Amazon.co.uk
Lowest we’ve recorded
£74.99
John Lewis, 8 Oct 2026
LEGO’s regular price
£99.99
today’s lowest is 23% off
Tracked since
8 Oct 2026
17 price changes since
Price records (23)
  • 23 October 2026 · Kidinn£85.99
  • 22 October 2026 · Kidinn£86.49
  • 21 October 2026 · Amazon.co.uk£76.99
  • 21 October 2026 · Kidinn£79.99
  • 21 October 2026 · John Lewis£76.99
  • 20 October 2026 · Kidinn£79.49
  • 20 October 2026 · Amazon.co.uk£79.99
  • 20 October 2026 · Smyths Toys£76.99
  • 20 October 2026 · John Lewis£99.99
  • 16 October 2026 · Amazon.co.uk£76.99
  • 16 October 2026 · Very£81.99
  • 14 October 2026 · The Entertainerout of stock£80.00
  • 13 October 2026 · Amazon.co.uk£76.99
  • 13 October 2026 · Kidinn£79.99
  • 13 October 2026 · John Lewis£76.99
  • 13 October 2026 · Smyths Toys£79.99
  • 10 October 2026 · Very£84.99
  • 10 October 2026 · Argos£100.00
  • 10 October 2026 · John Lewis£84.99
  • 10 October 2026 · Smyths Toys£76.99
  • 8 October 2026 · The Entertainer£80.00
  • 8 October 2026 · John Lewis£74.99
  • 8 October 2026 · LEGO.com UK£99.99

Prices at LEGO.com UK, Amazon.co.uk, Argos, Smyths Toys, Very, John Lewis, The Entertainer and Kidinn, checked daily. A line breaks when a store was out of stock or not selling the set.

LEGO Floating Sea Otters in other countries

The lowest price today in each country where LEGO sells it, converted at the European Central Bank’s rate. Delivery across borders isn’t included: most stores only ship inside their own country.

CountryLowest priceIn GBP
Show all 13 countries

Exchange rates of 22 October 2026.

Resale value

What the LEGO Floating Sea Otters actually sold for on BrickLink, the LEGO-owned marketplace, in the last 6 months.

New

£34.15

Median of 1 sale (worldwide)

-66% vs LEGO’s regular price (£99.99)

Used

No sales in the last 6 months.

Sales on BrickLink, updated daily (last update 23 October 2026). Sold in US dollars, shown in British Pound at the ECB rate of 22 October 2026. Few sales mean a less reliable figure.

Set details

Pieces
1,234
Minifigures
None
Ages
18+
Released
2026
Set number
21366
Theme
Ideas
Price per piece
6.2pat today’s lowest price
LEGO.com rating
4.6
LEGO Insiders points
800

LEGO Floating Sea Otters building instructions

Official instructions from LEGO.com, free to download. The LEGO Builder app has them too, many with 3D steps. All instructions on LEGO.com

LEGO Floating Sea Otters parts list

1,234 pieces in 287 different parts and colors.

  • Tile 1 x 4 with Groove, Trans-Light Blue×592431
  • Tile 1 x 2 with Groove, Trans-Light Blue×273069b
  • Brick Wedged, Curved 2 x 1 with Stud Notch Right, Reddish Brown×2529119
  • Brick Curved 2 x 2 x 2/3, Reddish Brown×2215068
  • Plant, Cherries, Olive Green×2222667
  • Plate Special 2 x 2 with Double Inverted Curve, 1 Stud, Trans-Light Blue×184190

Parts list: Rebrickable.

About the LEGO Floating Sea Otters

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.
  • FUN HOME DECOR – Take time out to capture the cuteness, calm and mutual love of 2 floating sea otters with this LEGO® Ideas craft kit (21366) for adults
  • 2 SEA ANIMALS – Build a detailed LEGO® model of a mother otter relaxing in water with a removable brick-built pup figure
  • CREATIVE ACTIVITY – This craft kit for adults offers a fun, mindful building project for nature lovers, whether new to LEGO® sets or more experienced builders
  • DISPLAY YOUR WAY – Pose the mother sea otter’s head, mouth, arms and flippers, and place the pup on her belly; or display mama with the buildable clam
  • GIFT FOR ANIMAL LOVERS – Treat yourself or give this sea otters build-and-display model to other creative adults with a passion for nature and animals
  • 3D BUILDING INSTRUCTIONS – Get ready to build like never before with the LEGO® Builder app, where you can save sets, track your progress, zoom in and rotate your set with 3D building instructions
  • THE LEGO® FANS’ CHOICE – This LEGO set for adults is part ofthe LEGO Ideas collection, where each building kit is created by a fan designer, voted for by LEGO fans and produced by the LEGO Group
  • DIMENSIONS – This 1,234-piece sea otter LEGO® set measures over 3 in. (8 cm) high, 11.5 in. (30 cm) wide and 7.5 in. (19 cm) deep

Description: LEGO.com.

LEGO Floating Sea Otters: FAQ

Is the LEGO Floating Sea Otters retiring?

Not yet: the LEGO Floating Sea Otters isn’t flagged as retiring. LEGO.com UK doesn’t list it as “Retiring soon”. We check every day and will update this page the day that changes.

How much is the LEGO Floating Sea Otters?

The lowest price we found today is £76.99 at Amazon.co.uk, out of 7 stores selling it today (regular price £99.99). Prices change often: this page is updated every day.

Should I buy the LEGO Floating Sea Otters now or wait?

23% off at Amazon.co.uk. The best price today is £76.99 at Amazon.co.uk, 23% below LEGO’s regular price. Ideas sets are usually 0% off here, so this beats the norm.

Where can I find the instructions for the LEGO Floating Sea Otters?

LEGO publishes them for free on LEGO.com as a PDF, linked on this page, and in the LEGO Builder app.

How many pieces are in the LEGO Floating Sea Otters (21366)?

1,234 pieces. At today’s price, that’s 6.2p per piece.

When was the LEGO Floating Sea Otters released?

It was released in 2026.

What is the LEGO Floating Sea Otters worth?

New, it sold for £34.15 on BrickLink (median of 1 sale in the last 6 months, worldwide). LEGO’s regular price is £99.99.

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