Deep-Sea Research Submarine

Deep-Sea Research Submarine (42201-1) is a set in the Technic theme, released in 2025. It has 413 pieces.

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Number:42201-1
Released:January 2025
Pieces:413
Box size:28.2 × 26.2 × 5.9 cm
Box weight:568 g
Theme:Technic

Box size and weight as measured by Brickset.

In numbers

Over the last 30 days the lowest shop price recorded for this set was 32.03 USD, taken from 30 days with a price on record.

Since 10/5/2026 the lowest shop price has fallen from 34.82 USD to 32.37 USD, by 7 % (based on 30 days with a price on record).

LEGO expects to retire this set in December 2026.

Product details

Number: 42201-1
Name: Deep-Sea Research Submarine
Theme: Technic
Released: January 2025
Launched: January 2025
Retires: December 2026 (expected)
Pieces: 413
RRP: ≈ 35.11 USD (49.99 CAD) (Canada)≈ 44.89 USD (39.99 EUR) (Germany)≈ 46.19 USD (34.99 GBP) (United Kingdom)39.99 USD (United States)
Price per piece: ≈ 0.085 USD (0.121 CAD) (Canada)≈ 0.109 USD (0.097 EUR) (Germany)≈ 0.112 USD (0.085 GBP) (United Kingdom)0.097 USD (United States)
Best price (30 days): 32.03 USD
Price per piece (best offer): 0.078 USD
Barcodes from shop data, not confirmed: EAN-13 5702017816241

≈ marks a price converted into this currency at the ECB reference rate of its own date — a reference indication, not a tradeable rate. The price as observed follows in brackets.

BrickLink market data

We hold no current BrickLink prices for this set right now. BrickLink's own price guide is one click away.

View the price guide on BrickLink

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Description from LEGO.com

A science toy for kids who love submarines

Source: LEGO Shop Advertising

Can I build this?

Check this set against the parts you already own.

We count your loose parts and the copies you own,
suggest the fewest copies to open,
and list what is still missing.

Pricing

Best price ever≈ 31.99 USD (28.73 EUR) Advertising Sealed · gross · OTTO · seen 10/28/2026

Current best offer≈ 32.37 USD (28.86 EUR) Advertising Sealed · gross · OTTO · seen 11/3/2026

Price history

Lowest shop price now32.37 USD
Lowest ever 32.03 USD

Each day's lowest price among the shops' current offers, including VAT. A price in another currency is converted at the ECB reference rate of its day.

Monthly lows as a table

Month	Lowest price
November 2026	32.24 USD
October 2026	32.03 USD

≈ marks a price converted into this currency at the ECB reference rate of its own date — a reference indication, not a tradeable rate. The price as observed follows in brackets.

Price statistics by condition

Nobody has sold this set recently.

Sources idee+spiel: 47 · Hamleys: 40 · Proshop: 39 · LEGO® Shop (BR): 33 · LEGO® Shop (FR): 33 · Thalia: 29 · LEGO® Shop (DE): 26 · LEGO® Shop (BE): 25 · LEGO® Shop (CZ): 25 · LEGO® Shop (GB): 25 · LEGO® Shop (GR): 25 · LEGO® Shop (AT): 24 · LEGO® Shop (CH): 24 · LEGO® Shop (DK): 24 · LEGO® Shop (ES): 24 · LEGO® Shop (FI): 24 · LEGO® Shop (HU): 24 · LEGO® Shop (IE): 24 · LEGO® Shop (LU): 24 · LEGO® Shop (PT): 24 · LEGO® Shop (SE): 24 · LEGO® Shop (IT): 23 · LEGO® Shop (NL): 23 · LEGO® Shop (NO): 23 · LEGO® Shop (PL): 23 · LEGO® Shop (RO): 23 · LEGO® Shop (SK): 23 · Coolblue: 21 · Orell Füssli: 21 · Thalia (AT): 19 · Coolblue (BE): 18 · bücher.de: 18 · OTTO: 15 · MediaMarkt (AT): 13 · Toy Street: 13 · Zatu Games: 13 · LEGO® Shop (US): 10 · Coolblue (NL): 7 · Conrad (BE): 6 · Conrad (DE): 6 · Conrad (NL): 6 · BRICKMO: 1

Where these prices come from

On eBay

The cheapest eBay listings we saw in the last seven days. They are sellers' asking prices, so they are not in the shop price list or the best offer.

We have not seen a current eBay listing for this set.

Recommended retail price

What LEGO published as the recommended retail price, market by market, in that market's own currency. No market's price is ever derived from another's.

Canada ≈ 35.11 USD (49.99 CAD) unknown tax basis Available 12/11/2024 to 9/24/2026.Recorded by BrickDb since 10/2/2026

Germany ≈ 44.89 USD (39.99 EUR) gross Available since 12/11/2024 — still on sale as far as we know.Recorded by BrickDb since 10/2/2026

United Kingdom ≈ 46.19 USD (34.99 GBP) gross Available since 12/11/2024 — still on sale as far as we know.Recorded by BrickDb since 10/2/2026

United States 39.99 USD net Available since 12/11/2024 — still on sale as far as we know.Recorded by BrickDb since 10/2/2026

≈ marks a price converted into this currency at the ECB reference rate of its own date — a reference indication, not a tradeable rate. The price as observed follows in brackets.

Building instructions

All building instructions for this set on LEGO.com

Parts in this set

121 inventory lines

Catalogue image of the part Sticker Sheet for Set 42201-1

Sticker Sheet for Set 42201-1 10110645· [No Color/Any Color]

×1

Catalogue image of the part Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle

Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle 11214· Red

×7

Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle 11214· Dark Bluish Gray

×2

Catalogue image of the part Technic Pin Connector Perpendicular 2 x 4 Bent - Beam with 90 Hole Ø 4.8

Technic Pin Connector Perpendicular 2 x 4 Bent - Beam with 90 Hole Ø 4.8 11455· Black

×4

Catalogue image of the part Technic Beam 1 x 5 Thin with Axle Holes on Ends

Technic Beam 1 x 5 Thin with Axle Holes on Ends 11478· Black

×4

Catalogue image of the part Technic Beam 3 x 5 Thick [90° Offset Centre Beam Holes]

Technic Beam 3 x 5 Thick [90° Offset Centre Beam Holes] 14720· Dark Bluish Gray

×1

Catalogue image of the part Technic Axle 5 with Stop

Technic Axle 5 with Stop 15462· Reddish Brown

×4

Catalogue image of the part Steering Wheel Small, 2 x 2 [Reinforced]

Steering Wheel Small, 2 x 2 [Reinforced] 16091· Black

×1

Catalogue image of the part Brick Round 2 x 2, Pin Holes

Brick Round 2 x 2, Pin Holes 17485· White

×6

Catalogue image of the part Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle

Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle 18651· Black

×5

Catalogue image of the part Technic Pin Connector Round 1L [Beam]

Technic Pin Connector Round 1L [Beam] 18654· Blue

×3

Technic Pin Connector Round 1L [Beam] 18654· Yellow

×6

Catalogue image of the part Plate Special Round 2 x 2 with Center Stud (Jumper Plate)

Plate Special Round 2 x 2 with Center Stud (Jumper Plate) 18674· Black

×2

Catalogue image of the part Brick Round Curved 1 x 1 x 1 1/3 Quarter Dome

Brick Round Curved 1 x 1 x 1 1/3 Quarter Dome 1871· Black

×6

Brick Round Curved 1 x 1 x 1 1/3 Quarter Dome 1871· White

×6

Catalogue image of the part Technic Pin Connector Hub with 1 Axle

Technic Pin Connector Hub with 1 Axle 22961· Black

×4

Same theme, piece count within 15 %

Similar sets

Deep-Sea Research Submarine

In numbers

Product details

BrickLink market data

Description from LEGO.com

Can I build this?

Pricing

Price history

Latest price from each shop

On eBay

Recommended retail price

Building instructions

Parts in this set

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