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Deep-Sea Research Submarine
LEGO 42201

Deep-Sea Research Submarine

Technic
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— Rank in Technic: #3

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Prices at UK retailers

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What Makes this set WOW?

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Retractable arm with a gripper: A functional, manually controlled manipulator allows for precise lifting of the barrel included in the set, which perfectly imitates collecting samples from the ocean floor.

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Triple system of rotating propellers: The model has three independent propulsors which, thanks to integrated gears, rotate during play, imitating the advanced propulsion of real research boats.

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Opening Observation Dome: The transparent cockpit element can be lifted to provide access to the detailed interior with pilot seat and control panels, greatly enhancing display.

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Integrated Heading Control System: The built-in steering mechanism allows you to actually change the direction of the model, offering young builders a hands-on lesson in engineering and mechanics.

Set details

LEGO Deep-Sea Research Submarine (set #42201) is a Technic set released in 2025, made up of 413 pieces.

Set number
#42201
Theme
Technic
Year released
2025
Pieces
413

Price history

Lowest recorded price: £34.99 on 22 Jul 2026

Common questions about Deep-Sea Research Submarine

What is LEGO Deep-Sea Research Submarine?▾

LEGO Deep-Sea Research Submarine (set #42201) is a set from the Technic range, released in 2025, made up of 413 pieces.

What's the lowest price LEGO Deep-Sea Research Submarine has been?▾

The lowest price we've recorded for this set is £34.99 on 22 July 2026. The current price matches this all-time low, making now a good time to buy.

Is LEGO Deep-Sea Research Submarine being retired?▾

We don't currently see signs that this set is retiring imminently, but LEGO doesn't publish official retirement dates in advance, so availability can still change.

Where can I buy LEGO Deep-Sea Research Submarine cheapest in the UK?▾

We're not currently tracking an active offer for this set — check the retailers listed above, or set a price alert to get notified when one appears.

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