Ages 18+

Floating Sea Otters (21366)

Name: Floating Sea Otters
Brand: LEGO
SKU: 21366

LEGO.com4.8(4)1,234 pieces · 8.1p each

Available From

No current price from any retailer we track. LEGO.com lists it at £99.99.

Also available

Argos

Not re-checked since 13 May 2026

£100.00

LEGO.comOfficial

Sets the RRP everything else is measured against

£99.99

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Building Instructions Brickset

Price Analysis

Not enough price data yet for a detailed analysis. We're tracking this set and will have insights available soon.

Price History & Buying Verdict

VerdictNo strong signal yet

•On price-per-piece, this is one of the better-value sets in the Ideas range (value score 10.0/10 vs theme average).

We're still building up the price history for LEGO Floating Sea Otters (21366). Once we have a few weeks of data across LEGO.com and our tracked retailers, we'll show you the lowest recorded price, monthly averages, and a buy/wait recommendation here.

Want to see how LEGO Floating Sea Otters (set 21366) compares against other sets? Browse the best-value LEGO sets or check the full price-history tracker.

Description

Floating Sea Otters (21366) is a LEGO Ideas set with 1,234 pieces, with an RRP of £99.99. With a value score of 10.0/10, this set offers excellent value compared to other Ideas sets.

SpecificationsMax 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.

Features

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

Frequently Asked Questions about Floating Sea Otters

What is the best price for LEGO Floating Sea Otters (Set 21366)?

LEGO Floating Sea Otters (Set #21366) is currently priced at £99.99 on LEGO.com. We continuously monitor prices across multiple UK retailers to find you the best deals.

How many pieces are in LEGO set 21366?

LEGO Floating Sea Otters (Set #21366) contains 1,234 pieces. At the LEGO.com price of £99.99, that works out to approximately 8.1p per piece.

What age is LEGO Floating Sea Otters suitable for?

LEGO Floating Sea Otters (Set #21366) is recommended for ages 18+. This set is part of the LEGO Ideas theme. View all Ideas sets and deals.

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

You can download the official building instructions for LEGO Floating Sea Otters (Set #21366) for free from LEGO.com. Download the building instructions here. The instructions are available as a PDF and can be viewed on any device.

Where can I buy LEGO Floating Sea Otters in the UK?

LEGO Floating Sea Otters (Set #21366) is available from LEGO.com at £99.99. We're monitoring other UK retailers for availability. Check our recent price drops for updates.

Is LEGO Floating Sea Otters good value for money?

Comparing piece-count to price across the LEGO Ideas theme, this set scores 10.0 / 10 for value. That works out to about 8.1p per piece. That puts Floating Sea Otters in the top tier of Ideas sets for raw build value — you're paying noticeably less per brick than the theme average. Compare against other contenders on our best-value LEGO sets page.