BricksValue

LEGO Floating Sea Otters (21366)

Ideas · 1,234 pieces

From $139.99 at Costco · 7% off

Not retiring yet (on sale since 2026)

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

Regular price $149.99

See it at Costco, $139.99

Fair price: Ideas sets rarely get discounted here, so waiting may not pay off.

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

Similar sets with bigger discounts

Price history

Lowest price today
$139.99
at Costco
Lowest we’ve recorded
$139.99
Costco, Oct 11, 2026
LEGO’s regular price
$149.99
today’s lowest is 7% off
Tracked since
Oct 8, 2026
No price change since
Price records (12)
  • October 15, 2026 · Minds Alive$149.99
  • October 13, 2026 · Raoul Chagnon$149.99
  • October 13, 2026 · Galerie du jouet$149.99
  • October 11, 2026 · Brault & Bouthillier$149.95
  • October 11, 2026 · Toymasters$149.99
  • October 11, 2026 · Costco$139.99
  • October 11, 2026 · The Discovery Hut$149.99
  • October 10, 2026 · Canadian Tireout of stock$149.99
  • October 10, 2026 · Best Buy$149.99
  • October 10, 2026 · Walmart$149.86
  • October 10, 2026 · Amazon.ca$149.86
  • October 8, 2026 · LEGO.com Canada$149.99

Prices at LEGO.com Canada, Amazon.ca, Walmart, Best Buy, Canadian Tire, Indigo, Mastermind Toys, The Discovery Hut, Costco, Toymasters, Minds Alive, Kaboodles, Brault & Bouthillier, Little Canadian, Galerie du jouet and Raoul Chagnon, 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 CAD
Show all 13 countries

Exchange rates of October 22, 2026.

Resale value

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

New

$64.11

Median of 1 sale (worldwide)

-57% vs LEGO’s regular price ($149.99)

Used

No sales in the last 6 months.

Sales on BrickLink, updated daily (last update October 23, 2026). Sold in US dollars, shown in Canadian Dollar at the ECB rate of October 22, 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
11.3¢at today’s lowest price
LEGO.com rating
4.6
LEGO Insiders points
750

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 Canada 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 $139.99 at Costco, out of 11 stores selling it today (regular price $149.99). Prices change often: this page is updated every day.

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

7% off at Costco: a fair price. The best price today is $139.99 at Costco, 7% below LEGO’s regular price. Ideas sets rarely get discounted here, so waiting may not pay off.

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 11.3¢ 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 $64.11 on BrickLink (median of 1 sale in the last 6 months, worldwide). LEGO’s regular price is $149.99.

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