LEGO 51515 Mindstorms Robot Inventor

Build, code and play with robot inventor!

A world where the physical and the digital come together, full of intelligent robots and vehicles, offers plenty of inspiration.

The latest LEGO® MINDSTORMS® evolution

Five unique designs to build plus fun challenges and coding activities to complete with the robot inventor app.

LEGO® MINDSTORMS® Robot Inventor

Robot inventor app

With over 50 activities to bring your creations to life.

A tough, walking guard

Fires missiles and smashes through obstacles.

The quirky helper

Charlie likes to please you... and he dances and plays drums.

A robot for every task

MVP – a modular, multi-purpose, rock-eating vehicle.

An advanced quadruped

An advanced four-legged friend; Gelo is a smart robot that can avoid obstacles.

The sports fanatic

Tricky loves kicking a ball and other sports.

A world of unlimited play possibilities

While playing with the hub, motors, sensors and nearly 1,000 LEGO® pieces, children develop essential STEM skills.

Product data

Immerse yourself in an amazing physical and digital world of programmable, remote-controlled robots and other intelligent creations. With the LEGO® MINDSTORMS® Robot Inventor (51515), young robot fans can build 5 unique, motorized robots and vehicles using the free LEGO MINDSTORMS Robot Inventor app. They can then bring their creations to life one by one by dragging and dropping elements into the Scratch-based programming environment. There are plenty of fun activities and challenging missions to complete (visit LEGO.com/devicecheck for a list of compatible devices). With almost 1,000 pieces in the set, kids can also imagine, build and share their own tech creations with other robot fans on LEGO Life.

Take the play experience to the next level The latest generation of LEGO MINDSTORMS programmable robots for kids has it all: from an intelligent hub with 5x5 LED screen, a 6-axis gyroscope and a speaker to powerful motors and precise sensors. The robots not only allow young children to express and develop their creativity, but also learn essential STEM skills for the 21st century.

  • With the LEGO® MINDSTORMS® Robot Inventor (51515), kids develop essential STEM skills as they build, program and play with remote-controlled robots and other intelligent creations that launch projectiles, play ball, drive around and more!
  • Kids build Charlie, Tricky, Blast, MVP and Gelo and complete activities and missions with the Scratch-based LEGO® MINDSTORMS® Robot Inventor app (visit LEGO.com/devicecheck for a list of compatible devices).
  • Thanks to almost 1,000 parts, including an intelligent hub, 4 medium motors, a color sensor and a distance sensor with shareable interface, young children can also build fun robot toys and share their creations online on LEGO Life.
  • Robot Inventor is a logical next step for LEGO® BOOST fans and for children who love building and playing with LEGO robots. Moreover, the set is a super cool gift for a birthday, the holidays or any other occasion for children aged 10 and over.
  • Blast is approx. 36 cm high and Gelo is approx. 24 cm long. The Powered Up parts in this set are also compatible with the LEGO® BOOST Creative Toolbox (17101), Droid Commander (75253) and some other sets.
  • This cool toy includes an easy-to-install rechargeable battery, so you don't have to look for batteries first and can get started right away.
  • In the free LEGO® MINDSTORMS® Robot Inventor programming app for kids you will find a Scratch-based programming environment, digital building instructions, more than 50 activities for the models and Python support for more experienced programmers.
  • LEGO® MINDSTORMS® inspires inventors of all ages to build, program and control interactive toy robots and other creations with LEGO bricks, motors, sensors and intelligent hubs and share their models with the MINDSTORMS community.
  • Since 1958, LEGO® bricks have met the highest industry standards to ensure they are always consistent, compatible and connect and pull apart easily.
  • All LEGO® bricks and pieces are rigorously tested to strict safety and quality standards. This way you can be sure that these electronic toys will not fall apart during a mission.
  • This set contains digital building instructions. You can now easily follow the steps on your mobile device or download a PDF of the printed construction manual. Click on the Building Instructions button at the bottom of this page to find and download the instructions.

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