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Returns
30-day refund/replacement
Returnable Yes
Resolutions Eligible for refund or replacement
Return Window 30 days from delivery
Refund Timelines Typically, an advance refund will be issued within 24 hours of a drop-off or pick-up. For returns that require physical verification, refund issuance may take up to 30 days after drop-off or pick up. Where an advance refund is issued, we will re-charge your payment method if we do not receive the correct item in original condition. See details here.
Late fee A late fee of 20% of the item price will apply if you complete the drop off or pick up after the ‘Return By Date’.
Restocking fee A restocking fee may apply if the item is not returned in original condition and original packaging, or is damaged or missing parts for reasons not due to Amazon or seller error. See details here.

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LEGO Creator 3in1 Underwater Robot 31090 Building Kit (207 Pieces)

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Purchase options and add-ons

  • Build and rebuild 3 models with this 3in1 set. Build the Underwater Robot toy and manta ray, and then rebuild to create a toy Submarine with a manipulator arm, or an Underwater Crane treasure hunt center!
  • The Underwater Robot features flexible joints, viewing dome with red robot eye, mechanical-style hands with drill, claw and grabber, and huge feet for traversing the ocean floor in search of gold
  • Underwater Robot stands over 5 inches (14cm) high manta ray measures over 1 inches (3cm) high, 2 inches (6cm) long and 2 inches (7cm) wide Submarine measures over 3 inches (9cm) high, 6 inches (17cm) long and 5 inches (13cm) wide
  • Underwater Crane measures over 4 inches (12cm) high, 5 inches (13cm) long and 7 inches (18cm) wide
  • 207 pieces – For boys and girls aged 7+ and for fans and kids of all ages
  • This LEGO Creator 3in1 Underwater Robot 31090 set can be built together with all other original LEGO sets and LEGO bricks for creative building

Frequently bought together

LEGO Creator 3in1 Underwater Robot 31090 Building Kit (207 Pieces)
This item: LEGO Creator 3in1 Underwater Robot 31090 Building Kit (207 Pieces)
$89.59
Get it as soon as Tuesday, Jul 30
Only 5 left in stock - order soon.
Sold by Grand Collections and ships from Amazon Fulfillment.
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Ships from and sold by Amazon.com.
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LEGO Creator 3in1 Underwater Robot 31090 Building Kit (207 Pieces)

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Product Description

Explore the depths of the ocean with the LEGO Creator 3in1 31090 Underwater Robot, featuring highly posable joints, large transparent domed helmet, red robot eye, ballast tanks and huge feet for exploring the seabed. Remove the robot eye to transform the dome into a cockpit control center. The Underwater Robot also has a claw and drill at the end of its left arm and a grabber on its right. This set also includes a manta ray figure with a spiked tail, plus a small seabed build with gold nuggets and a sea plant. With LEGO Creator 3in1 sets you get 3 different build and play experiences. Build the Underwater Robot and then rebuild it to create a Submarine or an Underwater Crane treasure hunt center for more deep-sea action and adventure.

Important information

Safety Information

Yes

From the manufacturer

LEGO, Creator, toy

3in1 underwater adventure

Kids can build and rebuild an underwater Robot, Submarine or seabed Crane with this LEGO Creator 3in1 set.

LEGO, toy

3 times the underwater robotic action

With this deep-sea robot, kids can explore the bottom of the sea and discover sunken treasure.

LEGO Creator Underwater Robot

LEGO, toy

LEGO, toy

LEGO, toy

Underwater Robot

Highly flexible joints, viewing dome, drill, claw and grabber

Submarine

Transport imaginations on an underwater adventure.

Underwater Crane

High-tech industrial crane working hard on the ocean floor.

LEGO, toy

Fun to build – hours of play

The 3in1 set inspires endless opportunities for kids to build and play.

LEGO, toy

3 different building opportunities in 1 set

Enjoy a challenging and rewarding building experience creating an underwater Robot, Submarine or seabed Crane.

What's in the box

  • LEGO Building Elements

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    Customer reviews

    4.8 out of 5 stars
    4.8 out of 5
    5,518 global ratings

    Customers say

    Customers like the quality, age range and ease of assembly of the toy building block. They mention that it's a perfect gift idea for anyone that loves legos, the instructions are pretty good and that it doesn't take long to build. They are also satisfied with the value. However, some customers have reported missing pieces.

    AI-generated from the text of customer reviews

    Select to learn more
    QualityEase of assemblyValueGiftAge rangeConfigurationMissing parts
    39 customers mention "Quality"39 positive0 negative

    Customers are satisfied with the quality of the toy building block. They mention it's a great LEGO set, fun to look at, and a good substitute for Lego. The pieces are great for building a variety of things and are excellent for the Lego builder in your family.

    "...Legos are always fun and it keeps my kids occupied for a little while and gives them something fun (& creative) to do other than mindless TV...." Read more

    "...It it a great blend of Legos as they used to be with Lego sets as they are today." Read more

    "...He's a big lego kid and this is a lego that he was amazed for the design and the functionality. It really is a fun, cool lego set...." Read more

    "Loved putting together this set, and the pieces are great for building a variety of robots in future...." Read more

    19 customers mention "Ease of assembly"15 positive4 negative

    Customers find the toy building block easy to put together. They say the instructions are pretty good, and everything went together perfectly. Customers also mention that the tote comes with an instruction booklet.

    "This is a nice build. It didn't take long to build (½ hr, give/take). I got this for my son when he was 10...." Read more

    "Instructions are pretty good. My six year old is able to read them and put them together...." Read more

    "...point of articulation but for a relatively simple set it's really fun to put together...." Read more

    "5 yo son LOVES this Lego set. Somewhat challenging but he mostly did it himself and was so proud. This was a favorite toy...." Read more

    17 customers mention "Value"14 positive3 negative

    Customers like the value of the toy building blocks. They say it's a great product for a good price, with good quality for the money. Some mention it'll be a STEM buy.

    "...I couldn't ask for a better Lego set at this affordable price." Read more

    "...enjoyed putting this together!..It took some time to assemble but worth the money!..A great way for kids to be creative." Read more

    "...The kit makes three different LEGO toys , a great value for the money !Grammie" Read more

    "Good value for the money and definitely a nice gift." Read more

    10 customers mention "Gift"10 positive0 negative

    Customers like the gift idea. They say it's a perfect gift for anyone that loves legos and a fanatic.

    "Legos are expensive! But my 3 year old nephew loved this. Makes for a great present as you can make 3 different things in 1 like" Read more

    "Perfect gift for a Lego fanatic! Comes with instruction booklet. My son loves the 3 in 1 Lego box it's like 3 gifts in 1 👍..." Read more

    "Good value for the money and definitely a nice gift." Read more

    "Perfect gift for a creative 9 year old." Read more

    7 customers mention "Age range"7 positive0 negative

    Customers find the toy building block great for older children, perfect for their kids, and age appropriate. They also say it keeps their kids occupied for a little while.

    "...Legos are always fun and it keeps my kids occupied for a little while and gives them something fun (& creative) to do other than mindless TV...." Read more

    "My son loves playing with legos and he is only 4 years old and is great for kids" Read more

    "Age appropriate. Can’t go wrong with LEGOs. Delivery right on time and to my door." Read more

    "Perfect for my 6 year old. He loved it!" Read more

    4 customers mention "Configuration"4 positive0 negative

    Customers like the multiple configurations of the toy building block. They say it makes three different robots, models, and LEGO toys.

    "...He was thrilled it made three different models and immediately put one together." Read more

    "...My 7 yr old grandson loved it. It's nice that you can make 3 different robots--a bit of variety removes the "getting tired of it" attitude." Read more

    "...The kit makes three different LEGO toys , a great value for the money !Grammie" Read more

    "Multiple configurations = More use!" Read more

    8 customers mention "Missing parts"0 positive8 negative

    Customers are dissatisfied with the missing parts in the toy building block set. They mention that the set has too many unique and small pieces.

    "i love this robot set! ecept that the pieces were missing and i had to substatute for the peices i have, overall pretty good" Read more

    "Was able to make main robot. Multiple pieces missing when trying to make 2nd option. Haven’t tried 3rd creation yet." Read more

    "...This particular one had a lot of little parts....not exactly fun. That's why I only gave it a four star." Read more

    "...child really enjoys the 3 in 1s but this one in particular was missing a few pieces, it was no big deal since we outs of Legos anyway" Read more

    Great Lego set!!!
    5 out of 5 stars
    Great Lego set!!!
    Love this!!! I love the 3in1’s that Lego has. This is the longest my son has left it (without taking it apart). He even went all out and built an underwater diorama for it.
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    Top reviews from the United States

    Here, There, & Everywhere
    5.0 out of 5 stars Pick Which Creation to Build Out of 3 Choices.
    Reviewed in the United States on January 20, 2020
    Color: MulticolorVerified Purchase
    This is a nice build. It didn't take long to build (½ hr, give/take). I got this for my son when he was 10.
    The 3 in 1 sets are great because my kids can decide which of the 3 things they want to build. Now these sets share the pieces for all 3 different builds, so that means that all 3 things can NOT be built at the same time. The creation/build has to be taken apart and then simply follow the directions to build something else using the same blocks. Not all 3 builds will use all of the blocks, so there will be spare pieces.
    Legos are always fun and it keeps my kids occupied for a little while and gives them something fun (& creative) to do other than mindless TV.
    Overall this is another great set from Lego. We have a lot of Lego sets and we're usually very happy with them.
    7 people found this helpful
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    Kindle Customer
    5.0 out of 5 stars Grandson love it
    Reviewed in the United States on February 17, 2024
    Color: MulticolorVerified Purchase
    My grandson loves it because he can take it apart and build something new.
    Helpful
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    Muhammad Mohtashim
    5.0 out of 5 stars perfect for my kids
    Reviewed in the United States on January 3, 2024
    Color: MulticolorVerified Purchase
    Excellent.....
    Helpful
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    Meadow
    5.0 out of 5 stars Awesome for kids and adults
    Reviewed in the United States on December 27, 2019
    Color: MulticolorVerified Purchase
    When I was a kid, Legos were things you assembled and reassembled into different objects. These days, most Legos are a set that gets put together once and left as is. I love that these show how to make three different objects with the same set. It it a great blend of Legos as they used to be with Lego sets as they are today.
    Helpful
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    constance B
    5.0 out of 5 stars Super fun and affordable
    Reviewed in the United States on January 2, 2020
    Color: MulticolorVerified Purchase
    I bought this for my nephew and he absolutely loved it. He's a big lego kid and this is a lego that he was amazed for the design and the functionality. It really is a fun, cool lego set. I couldn't ask for a better Lego set at this affordable price.
    Helpful
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    Hugo
    4.0 out of 5 stars Lego Creators are fun because its 3 in 1.
    Reviewed in the United States on January 4, 2024
    Color: MulticolorVerified Purchase
    My son already has a few Lego Creator sets, so it was no surprise when he wanted to order this one. He likes the fact that he can create a robot and then if he gets bored with it, he can disassemble and create something new with the pieces. Lego products are already priced alittle high, but what I don't like is that sellers on amazon get to reprice products and sell for a high price because certain products are discontinued at the stores. We paid more for this product now then it was originally sold for.
    Overall, the my son was content with this robot he created.
    Helpful
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    Ley-z1
    5.0 out of 5 stars Great birthday present!
    Reviewed in the United States on April 21, 2019
    Color: MulticolorVerified Purchase
    Bought this for my sons 5th birthday and he LOVES it. The age is 7-12 but my 5 year old could do it without much help- he’s pretty mechanical for his age. Not sure how most 5 year olds would do with it. He loves that he can take it apart and make another one as well- he’s made all three!
    15 people found this helpful
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    Kasey Libby
    5.0 out of 5 stars It's a good Lego substitute.
    Reviewed in the United States on February 23, 2019
    Color: MulticolorVerified Purchase
    Instructions are pretty good. My six year old is able to read them and put them together. Keeping him focused is another question, but that has nothing to do with the toy. The prices for these types of toys seems too high for what you get, but that is true for Legos, too.
    One person found this helpful
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    Top reviews from other countries

    Translate all reviews to English
    Jessica
    5.0 out of 5 stars Great set!
    Reviewed in Canada on July 18, 2021
    Color: MulticolorVerified Purchase
    My 6 year old LOVES this set. He loves that he can make three different lego builds out of it, and we used the LEGO Instructions app which made it SO much easier for him to do it himself. It was a really fun build (x3!).
    Report
    ulysses
    5.0 out of 5 stars Universo Lego
    Reviewed in Brazil on April 24, 2021
    Color: MulticolorVerified Purchase
    Mais uma boa diversão com o universo Lego.
    Report
    Amazon Kunde
    5.0 out of 5 stars Ok
    Reviewed in Germany on September 24, 2023
    Color: MulticolorVerified Purchase
    Ok
    Report
    Jiru
    5.0 out of 5 stars Perfecto y de Calidad
    Reviewed in Mexico on June 14, 2020
    Color: MulticolorVerified Purchase
    Cumple con la calidad, es entretenido y muy rejugable ya que al ser 3 en 1 se tiene la opción de elegir lo que mas te guste, el paquete llego en perfectas condiciones.
    One person found this helpful
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    Amazon Customer
    4.0 out of 5 stars Great Gift for 8-year old boy
    Reviewed in Singapore on May 20, 2021
    Color: MulticolorVerified Purchase
    My grandson is thrilled with the gift.
    Report