Xiaomi Mi Robot Builder

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  • Endless fun for all ages
  • STEM Educational Toy
  • Safe for child

Mi Robot Builder

An amazing robot in 978 parts

  • Self-balancing system | Wireless smartphone control | Modular graphic programming

Self-balancing mechanism
for perfect balancing

  • Mi Robot Builder’s main engine is powered by a CPU processor and a
    proprietary operating system, allowing the robot to perform perfectly
    coordinated actions. It also comes with four USB type-C ports, which provides
    power to the robot and interfaces with other components. Thanks to the
    inverted pendulum algorithm, the completed structure is stable enough to
    keep itself upright and move forward while supporting up to 3kg in weight.

Powerful brushless motors

  • Mi Robot Builder uses two high-speed brushless motors with rotating speed
    up to 170rpm and rotating torque capacity up to 25N.cm. When standing
    upright, the completed structure is able to support 3kg object on top of its
    weight. To help the robot to accurately determine the speed and direction, the
    motor has built-in photoelectric encoder which also puts the motor into idle
    mode when it is stalled to prevent motor from overstraining.

Guide your robot in three different modes

  • Connect Mi Robot Builder to the app via bluetooth and watch it come to life. Drive the robot by sliding your finger across the screen, use on-board soft button to explore your surrounding and more.
    *App is available on both iOS and Android"

Program without writing a single line of code

  • Intelligently control your robot without even connecting to a computer.
    You can simply drag and drop complex command code to the robot
    right from your smartphone. You can even learn how to program through
    a series of tutorials on the Mi Robot Builder app.

Three robots which you can build straight out of the box!

Three robots which you can build straight out of the box!

Three robots which you can build straight out of the box!



Packaging 380*320*95 mm
Construction method Building blocks


CPU 32-bit ARM Cortex Mx processor
Clock speed 108MHz max


Internal 32Mb Flash
Expandable storage not supported


Bluetooth connectivity Support
Wireless 2.4GHz sensors Support
Wi-Fi Type-C adapter Support


Battery 11.1V/18.3Wh lithium battery
Adapter 14V/5V output


Type Servo Motor
Quantity 2


Interface Expansion Sensor Support
Wireless Extension Sensor Support
Gyroscope sensor Built-in
Infrared sensor External (not included)
Ultrasonic sensors External (not included)
Color sensor External (not included)


Smartphone remote control Support
Voice recognition Support
Gravity sensing remote control Support
Programming control Support
Smartphone programming Support

System compatibility

  • Android 4.3 and above, iOS 6.0, and above