How many pieces does the LEGO Deep-Sea Research Submarine (42201-1) have?

The LEGO Deep-Sea Research Submarine set (42201-1) contains 413 pieces. It was released in 2025 as part of the LEGO Technic theme.

How can I find missing parts for LEGO set 42201-1?

On BrickMissing you can check which parts from the LEGO Deep-Sea Research Submarine (42201-1) you already own. Add your LEGO collection and we'll show exactly which of the 413 pieces you're missing and which you already have.

Can I build the LEGO Deep-Sea Research Submarine 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 413 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO Deep-Sea Research Submarine from?

The LEGO Deep-Sea Research Submarine (42201-1) belongs to the LEGO Technic theme. You can browse all Technic sets on BrickMissing to find more sets from this theme.

Deep-Sea Research Submarine

42201-1 Technic 2025 413 parts 9.9% catalog rarity Intermediate

The LEGO Technic Deep-Sea Research Submarine (42201-1) from 2025 enables ocean exploration with 413 pieces. It features an operational steering mechanism and three spinning propellers for movement. Inside, the cockpit includes a seat and controls for a pilot. This submarine also integrates three air tanks for buoyancy, and an extending arm to grab the barrel accessory from the seabed. The Technic design showcases engineering principles through its gear-driven steering, offering a detailed representation of deep-sea vehicles. Technic pins secure the arm's articulation, ensuring sturdy movement.

View at LEGO.com € 39,99→ lego.com

42201-1

3D build progress

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Parts Inventory

🧱 413 parts

Showing the first 12 rows of the parts list (413 pieces in total). The full list loads automatically.

Color	Qty	LEGO price each
Unknown	1×	Check price → View
Red	7×	€0,29 View at LEGO → View
Dark Bluish Gray	2×	€0,29 View at LEGO → View
Black	4×	€0,29 View at LEGO → View
Black	4×	€0,25 View at LEGO → View
Dark Bluish Gray	1×	€0,36 View at LEGO → View
Reddish Brown	4×	€0,11 View at LEGO → View
Black	1×	€0,11 View at LEGO → View
White	6×	€0,25 View at LEGO → View
Black	5×	€0,08 View at LEGO → View
Yellow	6×	€0,05 View at LEGO → View
Blue	3×	€0,05 View at LEGO → View