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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Over 30
29 reviews
Most helpful positive review
Posted Jan 3, 2026
Detailed and fun!
I love the features and details in this: the tilting and spinning propellers, the retractable claw arm, the opening hatch, and more! The only negative is that the arm is a bit loose due to some play in worm drive, but that's a small matter. All in all this is a great set with cool style that's fun to build and play with.
GassySardine059
Verified Buyer
Reviewed at:
LEGO
Posted Jan 3, 2026
Detailed and fun!
I love the features and details in this: the tilting and spinning propellers, the retractable claw arm, the opening hatch, and more! The only negative is that the arm is a bit loose due to some play in worm drive, but that's a small matter. All in all this is a great set with cool style that's fun to build and play with.
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laurac668_9752
This reviewer received a free product or coupon in exchange for an unbiased review of the product
Reviewed at:
influenster.com
Posted Jan 2, 2026
Great build
A great Lego set! Love how straight forward the set was to assembly and the packaging all eco friendly. Good difficulty to build. A stable design and like the difficult it has. Fun and interactive, designed for both younger and older people. A stable design - really love it! Lego never disappoints.
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mauriciop5_3765
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 29, 2025
Amazing fun
This LEGO Technic Deep-Sea Research Submarine is a brilliant build with lots of realistic details. The moving propellers, steering and robotic arm make it feel very interactive and fun to explore once built. The instructions are clear and the build is engaging without being frustrating. A great set for anyone who enjoys engineering-style LEGO builds and display pieces.
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aqsafm_8874
This reviewer received a free product or coupon in exchange for an unbiased review of the product
Reviewed at:
influenster.com
Posted Dec 28, 2025
Absolutely enjoyed it!
Received this wonderful Lego Technic Deep Sea Research Submarine from Influenster in exchange for an honest review. The instructions were clear and easy to follow. The parts were complete and nothing was missing. Me and my children thoroughly enjoyed building this Submarine. It was an absolute delight to watch the final outcome!
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review_revolution78_9342
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Posted Dec 19, 2025
Awesome team work for children or even adults
Thank you influenster this was a great early Christmas present for the kids everyone tucked in and started this it has taken a good few days to do but this has kept them quite busy, all the details and the little bits that come to life once it’s done is amazing, this looks so real. My kids are all enjoying the team work which is lovely to see. If you want to keep your k...
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skinlovesbysam_8443
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Posted Dec 18, 2025
Great Lego set
My son really enjoyed putting this together. It’s great shapes & sizes of ego that fit together to make a submarine. The instructions were easy to follow & made of bright coloured pieces. It has a few different functions too so makes it a great product for younger boys. I think 9 is a good age to start this as any smaller children wouldn’t be able to follow the instruct...
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girlnextdo00r_6922
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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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influenster.com
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
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 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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influenster.com
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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influenster.com
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
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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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