if instead of a cube it was sphere...#-Link-Snipped-#

@ramanithat would be one wheel, not the vehicle.those kind of objects - tensegrity structures - change their shape in response of  a force applied on them.to mimic a sphere it...

why no something like this?#-Link-Snipped-#

And why a sphere at all? why not a shapeshifting structure?something like this but in three dimensions.I mean an adaptable sphere.#-Link-Snipped-#

what about this? not maglev but pretty interesting.#-Link-Snipped-#