Floating Sea Otters

Lego^® Ideas 21366 Floating Sea Otters

Name: LEGO® Ideas Floating Sea Otters 21366
Brand: LEGO
SKU: 21366
Availability: InStock

Current best price

LEGO 21366 is currently available from £76.99 incl. shipping at Amazon.co.uk. 23% below RRP (£99.99). 5 retailers compared.

View the deal at Amazon.co.uk Compare all 5 offers

Updated 26 October 2026 at 11:22

LEGO® Ideas Floating Sea Otters 21366 (1/34)

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Lego 21366 price comparison: where is it cheapest?

Prices incl. shipping to the UK · Prices updated 26 October 2026 at 11:22

Amazon.co.ukBest price

£84.99 + £2.99 shipping

Save 12%!

Toy Street

£87.98

£84.99 + £2.99 shipping

Save 12%!

Brickfact may earn a commission when you buy through a merchant link. Commissions do not determine the order of offers. How Brickfact compares prices

iFurther information

The Lego set Floating Sea Otters with the set number 21366 is part of the LEGO Ideas theme and is recommended for ages 18+. That makes it a set mainly for adults. It was released in March 2026. The model has 1,234 pieces, and we estimate it takes around 3 - 4 hours to build. 25 Brickfact users have this set in their collection.

The set weighs about 15.044 kg. The box measures 38.2 x 26.2 x 11.8 cm. The recommended retail price is £99.99.

Our Brickfact Lego price comparison compares the prices of 5 shops for this set. It is currently cheapest at Amazon.co.uk for £76.99 including shipping. That is £0.06 per piece. With this offer you save £23.00 off the recommended retail price, a discount of 23%.

If you buy the set from the official Lego store, you also earn 800 Insiders points. You can exchange them for vouchers for future purchases.

The Part-Out-Value (POV) is the sum of the average prices paid on bricklink.com for all parts of this set. It is about £180.87. You save around £103.88 if you buy the complete set at Amazon.co.uk instead of the individual parts on bricklink.com. The current best offer therefore has a POV rate of 2.35: the Part-Out-Value divided by the current best price on Brickfact.

Lego 21366 product data

Set Information

Set ID

21366

Theme

Ideas

Pieces

1234

Building Time

3 - 4 hours

Age Range

18+

Availability

Release

03/2026

Retiring Status

Begin of Life (12/2028)

Price Information

RRP

£99.99

Insiders Points (for purchase at Lego)

800

Part Out Value

£180.87

Packaging

Weight

15.044 kg

EAN (GTIN13)

5702018066287

Lego 21366 price history: how has the price changed?

Brickfact has been recording retailer prices since 12/10/2026. Best price so far: £84.94 (7 days ago).

Cheapest current offer in the comparison: Amazon.co.uk at £76.99. Amazon offers are not part of the price history.

Current best price: £84.99 -15% vs. RRP
Best price since 12/10/2026: £84.94 -15% vs. RRP · 7 days ago

Lowest price per retailer (since 12/10/2026)

Since 12/10/2026, Joybuy was the cheapest on 12 of 15 recorded days.

Retailer	Current	Lowest price	Date
Zatu Games	£87.98	£84.94	20/10/26
Toy Street	£87.98	£84.94	20/10/26
Joybuy	£84.99	£84.99	26/10/26
Lego.co.uk		£99.99	26/10/26

As of: 26/10/2026, 10:40 UTC

Lowest price per day that Brickfact recorded at the retailers in the price comparison, including shipping where known – as in the comparison above. Amazon offers are not included in the price history.

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Popularity with Brickfact users

users have this set: 25
buyers in the last 12 months: 25

25 Brickfact users have Floating Sea Otters in their collection. 25 users bought it in the last 12 months.

Based on anonymized Brickfact user collections; shown only for sets with at least 10 users. As of 26 October 2026.

Lego 21366 market value

Average sale price on secondary marketplaces – not the new price at retailers.

Current market value: £66.96
Market value vs. RRP: −33.0 % £99.99
Range: £63.11 – £77.68
Average: £68.32

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Building Instruction for LEGO 21366 Floating Sea Otters

Part Lists for LEGO 21366 Floating Sea Otters

Part list on Bricklink.com

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Part list on Rebrickable.com

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Part list on Brickset.com

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LEGO 21366 Frequently Asked Questions

How much does LEGO 21366 Floating Sea Otters cost?

The lowest price in the Brickfact price comparison is currently £76.99 incl. shipping at Amazon.co.uk. That is 23% below the RRP of £99.99.

Where can I buy LEGO 21366 cheapest?

Brickfact compares 5 retailers. The cheapest offers: Amazon.co.uk (£76.99), Joybuy (£84.99), Zatu Games (£87.98).

Is LEGO 21366 still available?

Yes. LEGO 21366 Floating Sea Otters is currently available at 5 retailers in our price comparison.

When was LEGO 21366 cheapest?

Since tracking began on 12/10/2026, the lowest shop price recorded by Brickfact for LEGO 21366 was £84.94 on 19/10/2026 at Zatu Games, including shipping. Amazon prices are not included.