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LEGO MINDSTORMS Robot Inventor Building Set; STEM Kit for Kids and Tech Toy with Remote Control Robots; Inspiring Code and Control Edutainment Fun (949 Pieces)

4.7 4.7 out of 5 stars 578 ratings
  • With LEGO MINDSTORMS Robot Inventor (51515), kids gain essential STEM skills as they build, code and play with remote-control model robots and intelligent creations that shoot missiles, play ball, drive around and more!
  • With almost 1,000 pieces, including an intelligent Hub, 4 Medium Motors, Color Sensor and Distance Sensor with break-out interface, youngsters can also build their own fun robotic toys and share them online on LEGO Life
  • An easy-to-install rechargeable battery is included, so no need to go hunting for spare batteries when the fun’s about to start
  • Blast stands at over 14” (36cm) tall, while Gelo measures over 9” (24cm) long; The Powered Up components in this set are also compatible with the LEGO BOOST Creative Toolbox (17101), Droid Commander (75253) and others

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LEGO MINDSTORMS Robot Inventor Building Set; STEM Kit for Kids and Tech Toy with Remote Control Robots; Inspiring Code and Control Edutainment Fun (949 Pieces)

LEGO MINDSTORMS Robot Inventor Building Set; STEM Kit for Kids and Tech Toy with Remote Control Robots; Inspiring Code and Control Edutainment Fun (949 Pieces)

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Top Brand: LEGO

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From the manufacturer

51515

Build, code and play with Robot Inventor!

Inspire minds with a physical-meets-digital world filled with interactive, remote-control robots and intelligent vehicles.

51515

The latest LEGO MINDSTORMS evolution

5 unique designs to build, plus fun coding and challenging activities to complete with the Robot Inventor App.

LEGO MINDSTORMS Robot Inventor

51515

51515

51515

Robot Inventor App

Includes 50+ activities that bring your creations to life.

A tough, walking guardian

Blast fires missiles, punches and hammers through obstacles.

The quirky helper

Charlie just aims to please… he also dances and plays drums.

51515

51515

51515

A robot for any task

M.V.P. – a modular, multifunctional, brick-eating vehicle.

An advanced quadruped

Gelo is a fun, smart, walking robot who can avoid obstacles.

The sports fanatic

Tricky loves shooting hoops, playing ball and other sports.

51515

A world of unlimited play possibilities

Kids will gain essential STEM skills as they play with the intelligent Hub, motors, sensors and almost 1,000 LEGO pieces.

What's in the box

  • LEGO Building Elements

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    Customer reviews

    4.7 out of 5 stars
    4.7 out of 5
    578 global ratings

    Customers say

    Customers like the appearance, quality and coding of the toy building blocks. For example, they mention it's well designed, provides opportunities to experience coding in a playful atmosphere and that the included programs are a great introduction to coding. That said, opinions are mixed on ease of use.

    AI-generated from the text of customer reviews

    7 customers mention7 positive0 negative

    Customers find the toy building block well-designed and user-friendly. They also say it looks really cool.

    "Nice product" Read more

    "...The set itself seems great, but device compatibility is a huge part of the customer experience." Read more

    "Well-designed. Control software is user-friendly. Harder to disassemble than typical lego but is still easier than most of other robots...." Read more

    "So far it looks really cool. But before you buy it, check the compatibility devices...." Read more

    6 customers mention6 positive0 negative

    Customers are satisfied with the quality of the toy building block. They mention that it's a great product with unique pieces and precise motors. They also appreciate the robots that come with the set and the room to customize it.

    "...This is a great intro into robotics young and old. Lots of unique pieces, precise motors and lots of room to customize, as you should expect with..." Read more

    "...The robots that come with the set are very nice. My 9 year old son love playing with it." Read more

    "...Lego Technic products are amazing. But the hub is problematic. It’s difficult to stay connected...." Read more

    "Great product, my son loves it so much." Read more

    4 customers mention4 positive0 negative

    Customers find the included programs a great introduction to coding and robotics. They also say it keeps them engaged and provides opportunities to experience coding in a playful atmosphere.

    "...Pretty interesting. So far I only built the buggy and that was fun putting it together...." Read more

    "...This is a great intro into robotics young and old...." Read more

    "...It keeps him engaged and provides opportunities to experience coding in a playful atmosphere...." Read more

    "...The included programs are a great introduction to coding and there is enough left to the imagination for her to see what else she can program...." Read more

    9 customers mention3 positive6 negative

    Customers are mixed about the ease of use of the toy building blocks. Some mention it's well designed and user-friendly, while others say it doesn't include instructions and that the user interface should be more intuitive. They also say that missing parts are a headache and a heartache.

    "...at least 1 bag full of key parts were missing from my brand new kit bought directly from Amazon(not third party seller)*..." Read more

    "...I also love how it has Bluetooth and it can be programmed on my computer or phone...." Read more

    "...Builds are fine but require digits instructions.You can go the LEGO website and run with the instruction on you PC or iPad...." Read more

    "Hard to navigate help. User interface should be more intuitive. No useful printed documentation in the retail box...." Read more

    Came to us not packaged and out of box like it had been used.
    1 Star
    Came to us not packaged and out of box like it had been used.
    What a mess.
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    Top reviews from the United States

    Jonny
    5.0 out of 5 stars Pretty Cool
    Reviewed in the United States on April 29, 2021
    Verified Purchase
    This is the first Lego kit I bought that didn't come with paper instructions. Instead I used the Mindstorms app to build and program the robots. Pretty interesting. So far I only built the buggy and that was fun putting it together. I wish the kit came with a play mat with lines for line following. The kit comes with 4 motors and 2 sensors. I hope that Lego will make It were I can buy sensors separately like they did with older kits. I haven't test to see if using the python programing can make the robot kit connect to a Raspberry pi, but that works it would be cool.
    9 people found this helpful
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    abuhamzi
    5.0 out of 5 stars Nice
    Reviewed in the United States on March 30, 2024
    Verified Purchase
    I bought it for school and the kids loved it
    Helpful
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    Mike Orr
    5.0 out of 5 stars Expensive but worth it if you can afford it.
    Reviewed in the United States on November 11, 2021
    Verified Purchase
    I hate putting a price on education, but that's the world we live in currently. That being said, I did feel like I got a ton of parts in this set, which is a rare feeling with Legos for me.
    This is a great intro into robotics young and old. Lots of unique pieces, precise motors and lots of room to customize, as you should expect with Legos.

    If I had to say anything bad about this, outside its price, I feel like the hub only being 6 ports is lame. Pop a Raz Pi into these boxes or an Arduino Mega for a fraction of the price. Curious if anyone sells break out connectors for all these sensors and motors.
    6 ports is enough for learning though, I'll give them that.

    If the set was cheaper I would like to get 2 of these and have a build off competition to teach coding in a fun way.
    10 people found this helpful
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    Daniel Adams
    5.0 out of 5 stars Despite what some say, it’s worth it.
    Reviewed in the United States on November 24, 2021
    Verified Purchase
    The media could not be loaded.
     After reading some reviews on this set I was hesitant to purchase it. I owned the EV3 set once upon a time and everyone was acting like this is a downgrade from that one. Well after watching some comparison videos I decided to go for it and now I’m glad I did.

    While there are slight differences between this one and the EV3, I think this one is better. All I’ve noticed are improvements, especially considering how much smaller the intelligent brick and motors are. I also love how it has Bluetooth and it can be programmed on my computer or phone.

    Right out of the box I was able to build a robot that can solve a Rubik’s cube, thanks to instructions on the internet. I’m super excited to build more robots with this set. So far it has been a blast!
    118 people found this helpful
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    Mestiza8080
    5.0 out of 5 stars Expensive gift but worth it!
    Reviewed in the United States on September 16, 2022
    Verified Purchase
    My teenage son wanted this and only this for his birthday. We couldn’t find it anywhere local so we ordered it through Amazon. I usually don’t like to order expensive items on Amazon and risk it getting stolen, lost or the box gets torn up. I took this chance since we couldn’t find one and it arrived in perfect condition. The way Amazon boxed it was incredible. The Lego box was packed inside a very hard, sturdy box and then boxed again inside an Amazon box with cushion. So it was perfect when we gifted it to my son for his birthday. He loves coding and making the robot pick things up and just being very creative with it. Our dog hates it when it moves.
    6 people found this helpful
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    Schnel
    5.0 out of 5 stars Exactly what you expect
    Reviewed in the United States on July 21, 2022
    Verified Purchase
    Generally speaking, a nice upgrade to the Mindstorms EV3 version. Best thing about this is that if you need technical support, Lego phone support is absolutely top notch. I found them to be extremely responsive, and they were very quick to replace defective or missing parts.

    If you're looking for a good storage solution to organize all the components, the Plano Molding 1363 Stow N Go Toolbox is just about perfect.
    8 people found this helpful
    Helpful
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    lane braun
    5.0 out of 5 stars Engaging
    Reviewed in the United States on September 10, 2021
    Verified Purchase
    My son gives it a five-star rating. It keeps him engaged and provides opportunities to experience coding in a playful atmosphere. He'll be nine years old in October, and he completes EVERYTHING independently. However, he has had some experience coding via the app CodeSpark. Lego Mindstorms is pricy, but he enjoys the activities, and it's where the future is headed.
    5 people found this helpful
    Helpful
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    Maria Q.
    4.0 out of 5 stars Nice set but pieces are small
    Reviewed in the United States on May 22, 2022
    Verified Purchase
    It’s very easy to build and program. Sometimes there are pieces that are very hard to pull apart. It is hard to find the pieces because there is no place to properly store them by category.

    The robots that come with the set are very nice. My 9 year old son love playing with it.
    One person found this helpful
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    Top reviews from other countries

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    Anis
    5.0 out of 5 stars Excellent for 10+ kid
    Reviewed in Canada on September 3, 2023
    Verified Purchase
    Great learning experience and would recommend for 10+ years old
    Report
    Robotikids
    5.0 out of 5 stars Muy educativo
    Reviewed in Mexico on June 11, 2022
    Verified Purchase
    Muy bien kit, muchísimas actividades y de muy buena calidad, perfecto para aprender y enseñar
    Report
    Mike Cowland
    5.0 out of 5 stars Where was this when I was growing up?!?
    Reviewed in Canada on June 29, 2022
    Verified Purchase
    Bought this with my 8 year old son. Seems like an expensive piece of kit but the level of ingenuity and technology that this kit holds is absolutely priceless. Gives him the ability to build all sorts of different robots and then PROGRAM THEM TO DO STUFF!!! Like, seriously!?! This is college level programming for kids! Unreal how they’ve made this product and made it so easy to use for young kids! Can’t say enough about it. Mind blown. Hours and hours of fun so far with no end in sight. Want his friends to get the kit too so they can do battle:P
    Report
    Cliente de Amazon
    5.0 out of 5 stars El mejor!!!
    Reviewed in Mexico on February 8, 2021
    Verified Purchase
    El mejor kit de robotica que ha lanzado lego, a mi hija le encantó, viene con 5 modelos por defecto pero contiene actividades extras como el modelo pet gelo de la comunidad de fans de lego, ademas de muchos modelos que puedes encontrar en internet.
    One person found this helpful
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    null
    5.0 out of 5 stars If you love your children and can afford this, buy it
    Reviewed in Canada on August 2, 2022
    Verified Purchase
    So great for your child's development. Gets them thinking creatively and spatially while subtly introducing coding. Doesn't matter if your child has zero interest in technology, this is a must if you can afford it. The world is changing and basic exposure to this at a young age is beyond critical. While advertised for older children, my 5 year old thoroughly enjoys it with a little help every now and then which is great for bonding.

    Do you remember building a model car with your dad?
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