Customer Reviews for LEGO Technic Deep-Sea Research Submarine, 413 Pieces (42201)
Item # : 24642281
Model # : 42201
A science toy for kids who love submarines
- Submarine toy set for kids aged 9 and up; Let young science and engineering fans create their own deep-sea adventures with this LEGO Technic Deep-Sea Research Submarine toy
- Lots of realistic features; This creative building set includes lots of realistic features like the rotating propellers and grabbing arm to help kids explore how submarines work
Price is $49.99
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22 reviews
Most helpful positive review
Posted Dec 15, 2025
Great :)
The LEGO Technic Submarine has been a fantastic addition to our home. My child absolutely loves playing with it, especially because it’s so interactive. The moving parts really bring the submarine to life and keep them engaged for long periods of time. It’s not just fun to build, but also fun to play with afterwards, which isn’t always the case with building sets. The d...
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girlnextdo00r_6922
This reviewer received a free product or coupon in exchange for an unbiased review of the product
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influenster.com
Posted Dec 15, 2025
Great :)
The LEGO Technic Submarine has been a fantastic addition to our home. My child absolutely loves playing with it, especially because it’s so interactive. The moving parts really bring the submarine to life and keep them engaged for long periods of time. It’s not just fun to build, but also fun to play with afterwards, which isn’t always the case with building sets. The d...
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beckyw102_2926
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influenster.com
Posted Dec 13, 2025
Great for kids and adults
I love this lego set! This would make the perfect gift for kids over 9 but also adults. It's one id their smaller sets, so not too time consuming but just as fun to put it together.
It has a number of moving parts, but it easy enough to assemble. It's a really interesting set from Lego!
It has a number of moving parts, but it easy enough to assemble. It's a really interesting set from Lego!
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emiliyar_2379
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Posted Dec 13, 2025
A detailed, sturdy LEGO set that’s fun to build an
The LEGO Deep-Sea Research Submarine is a really fun and engaging build. The details are impressive and the finished submarine looks sturdy and well designed. I love the moving parts and accessories, which make it great for imaginative play as well as display. The pieces feel high quality, fit together perfectly, and the build keeps kids interested from start to finish....
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helens134_2567
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influenster.com
Posted Dec 13, 2025
Really lovely gift!
The kids loved building this, it kept them busy for a whole day! Very easy to build, nice and light.
Waterproof so doesn't matter if little ones spill anything on it.
Waterproof so doesn't matter if little ones spill anything on it.
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eeveequeen_2423
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Posted Dec 12, 2025
Great for technic builders! Harder for children
The Lego Technic Deep Sea Research Submarine is a fantastic set for both Lego enthusiasts and fans of underwater exploration.
This set falls into the higher difficulty range for Technic builds. Some smaller parts and advanced mechanisms require patience and focus, but it’s all part of the fun for experienced builders.
The best part of the Lego Technic Deep Sea Research...
This set falls into the higher difficulty range for Technic builds. Some smaller parts and advanced mechanisms require patience and focus, but it’s all part of the fun for experienced builders.
The best part of the Lego Technic Deep Sea Research...
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Legomaster
Reviewed at:
LEGO
Posted Aug 30, 2025
Very fun to make
Many features for fun play. Realistic, simple and interactive. The robot arm is amazing.
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Adso222
Reviewed at:
LEGO
Posted Jul 9, 2025
Research Submarine
This is a great little build and fun to make. Goes really well with the Rescue Helicopter #42145
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melissac702_4058
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Posted Apr 29, 2025
Fun Lego!!
I’m so happy that I got this for my teenage son. He enjoyed putting it together. It took him about an hour to build it. He said it had good playability. You can move lots of parts on it.
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duyenle99_3949
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Posted Apr 13, 2025
A fun and worthwhile LEGO set!
The LEGO Deep-Sea Research Submarine 42201 was a hit with my kid! The assembly process was engaging but not overly difficult, perfect for developing problem-solving skills. I appreciated the safety features – the pieces are sturdy and appropriately sized. In terms of educational benefits, it sparked curiosity about marine exploration. The submarine feels quite durable, ...
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amberb303_883
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Posted Mar 26, 2025
Can't go wrong with lego
It's hard to go wrong with a lego set! My 5 year did think it seemed too old for him (which he often works on challenging sets) so not sure what it was about this one. My husband and middle son worked on it and got it completed and they all enjoyed it. It's an intricate piece and instructions were easy to follow.
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sharonh1_2611
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Posted Mar 7, 2025
Great brand
Great Lego I love these they are great durable and really strong . They have a lot of safety feature and the assembly process isn’t hard at all to put them together . These last forever .
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liridonam2_140
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Posted Mar 4, 2025
LEGO Deep Sea Explorer – A Fun and Detailed Build
MThis LEGO deep-sea exploration vehicle is a fantastic set that blends creativity with functional design. The build features a sleek, futuristic submarine-like design with a large, clear cockpit, a detailed interior, and a striking yellow and blue color scheme. The rotating propellers and articulated mechanical claw at the front add to its playability, making it an enga...
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beautybypol_9674
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Posted Mar 3, 2025
Super engaged kid!
LEGOS are always awesome puzzles for kids!! This particular one is engaging for 9+ year olds. My son is 10yr old and became so esthetic when he saw this! He’s still building it so will post a full picture after he’s finished with it.
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This reviewer received a free product or coupon in exchange for an unbiased review of the product
Reviewed at:
influenster.com
Posted Feb 28, 2025
Fun set to build
My son is a major Lego fan and he had so much fun building this set! The technic sets are some of his favorites to build. The moving propellers and the air tanks on this set are so cool. So much fun for any Lego lover!
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loriannm_3901
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Posted Feb 27, 2025
Perfect for Lego master
My youngest son absolutely loves Lego, we turn our spare bedroom into a Lego room for him because he had so many set and didn't have any room in his room to build or display them. Now he has a Lego room for all his Lego and action figures
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jackyc1017_7891
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Posted Feb 26, 2025
LEGO Deep-Sea Research Submarine
This LEGO Deep-Sea Research Submarine set was the perfect gift for my 11 year old son. The set comes from a range of LEGO Technic sets which feature realistic movements to introduce young minds to the universe of engineering. The model is packed with realistic features found on real submarines like spinning propellers, steering, a cockpit with seat and controls, air tan...
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sarmistham1_2571
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Posted Feb 26, 2025
Love LEGO
The LEGO City Deep-Sea Research Submarine is an exciting and immersive set that delivers both a fun building experience and fantastic play value. As a fan of ocean exploration, I loved the attention to detail—from the removable cockpit and mechanical arms to the mini deep-sea drone and glow-in-the-dark anglerfish. The submarine’s size is impressive without being overwh...
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2nd gen Lego fan
Verified Buyer
Reviewed at:
LEGO
Posted Feb 24, 2025
Fun & functional Technic sub
This is a very creative Technic set. The arms are able to be moved to pick up objects. They can also be switched from the front to the back of the sub. Propellers also have a turning mechanism. The build was enjoyed by a 9 year old boy, who saw it in the Lego magazine. He wasn't disappointed. Thanks to the designers in Lego for an eye-catching & inventive set!
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anital20_7863
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Posted Feb 20, 2025
It’s fun
Absolutely loved this Lego it was so fun to build and didn’t take to long at all. My little boy loved it was sea themed and taught him little more about the sea
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chelseamack_8602
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Posted Feb 12, 2025
Loveeee legos!!!
I was super excited to receive this for free via Influenster. My 8 year old is sooo excited. We love legos especially the technical ones. It’s super educational and gives him something to do off of technology and teaches him dexterity and how to follow directions
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