A Balancing, Walking Cube Named Cubli


Meet Cubli! Cubli is a 15 x 15 x 15cm robotic cube that can roll around and balance on its corners using a series of gyroscopes.

The project has been going strong since February 2011 at the Institute for Dynamic Systems and Control in Zurich, where it is starting to get quite impressive. We first shared Cubli earlier this year, when it was just a wee 2-dimensional and corded 3-dimensional prototype.

Since then, it has become a fully enclosed wireless cube capable of jumping up on its end, balancing, and controlled falling — it can walk and roll! To do this, it has three large reaction wheels on each axis which can impart their angular velocity on the entire cube when the braked, allowing it to move in any direction.

According to the video after the break, the team is just building the cube “because they can”, however other researchers are interested in the technologies applications in self-assembling robots, and even planetary exploration.


  1. supershwa says:

    We are borg. Resistance is futile.

  2. Brad says:

    i want one,

  3. alien2112 says:
  4. FrankenPC says:

    That is undeniably awesome. I’ll never look at my end tables in the same way again.

  5. Vonskippy says:

    Planetary exploration – and this would be more suitable then….. pretty much every other form of locomotion how?

  6. Tim says:

    Wow, they actually reinvented the wheel… by making it a cube. Just surreal.

  7. Kerimil says:

    ohh reaction wheels… been thinking of using them to create an aimbot for real guns

  8. Galane says:

    It needs a Weighted Companion Cube covering.

  9. Thats is crazy pants.

  10. earl says:

    Yes, you can seal the cube to eliminate dust, but you can also seal a sphere and drive it from within, or a cylinder, or a cylinder with traction, or many shapes/ideas better than a cube. I assume we’re missing something as to why a cube for planet exploration….?

  11. zuul says:

    very cool

  12. Ryan says:

    I wonder how feasible it would be to have a sphere version of this.
    Building momentum might be a problem though… But it would fly for miles if you made it “Jump” sideways/.

  13. daqq says:

    Finally, an interactive Companion cube!

  14. Ken says:

    This is exactly how satellites keep pointing there antennas back at earth.

  15. hboy007 says:

    Would it be possible to put the three gyros inside a motorized cardan mount and use this assembly as a stabilizing / driving core of a multipede robot? I imagine it could tilt, jump and roll like a monowheel :)

  16. Wyatt says:

    Sentry gun aiming servo.

  17. James says:

    I want that!!! It can be my new pet.

  18. BeatJunkie says:

    Oh reaction wheels! Kerbal Space Program anyone?

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