How many pieces does the LEGO Floating Sea Otters (21366-1) have?

The LEGO Floating Sea Otters set (21366-1) contains 1234 pieces. It was released in 2026 as part of the LEGO LEGO Ideas and CUUSOO theme.

How can I find missing parts for LEGO set 21366-1?

On BrickMissing you can check which parts from the LEGO Floating Sea Otters (21366-1) you already own. Add your LEGO collection and we'll show exactly which of the 1234 pieces you're missing and which you already have.

Can I build the LEGO Floating Sea Otters with parts I already have?

Use BrickMissing's free parts checker to find out. Add LEGO sets you own to your collection and we'll cross-reference all 1234 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO Floating Sea Otters from?

The LEGO Floating Sea Otters (21366-1) belongs to the LEGO LEGO Ideas and CUUSOO theme. You can browse all LEGO Ideas and CUUSOO sets on BrickMissing to find more sets from this theme.

Floating Sea Otters

21366-1 LEGO Ideas and CUUSOO 2026 1234 parts 4.4% catalog rarity Advanced

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.

View at LEGO.com € 109,99→ lego.com

21366-1

3D build progress

Loading 3D model

Parts Inventory

🧱 1234 parts

Showing the first 12 rows of the parts list (1234 pieces in total). The full list loads automatically.

Color	Qty	LEGO price each
Black	4×	€0,07 View at LEGO → View
Black	6×	€0,12 View at LEGO → View
Black	4×	€0,07 View at LEGO → View
Black	4×	€0,24 View at LEGO → View
Black	2×	€0,15 View at LEGO → View
Black	2×	€0,13 View at LEGO → View
Black	12×	€0,10 View at LEGO → View
Black	3×	€0,08 View at LEGO → View
Black	4×	€0,06 View at LEGO → View
Black	8×	€0,29 View at LEGO → View
Black	6×	€0,46 View at LEGO → View
Black	4×	Check price → View

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Catalog rarity

How common are the parts in Floating Sea Otters?

4.4%Moderate rarity

more commonless common

12 of 272 recorded part+color combinations appear in 3 or fewer sets in our catalog. This does not measure replacement availability or price.

Theme average

4.5%

All sets

6.7%

Least common in our catalog

PLATE 3X4 W/ANGLES · Reddish Brown · only this set in our catalogFRONT 4X3X2/3, W/ BOW · Tan · only this set in our catalogWedge Sloped 45° 2 x 4 Triple · Reddish Brown · only this set in our catalog

How we calculate this →