most important it has a friendly design that you can not so easily find. It was inspired by a hamsterball. Dave Hakkens surprised us once again with this unique strange vacuum cleaner just rolling around: you can push it in any direction you want and just kick it to clean any surface he meets. The ball has a docking station and you can recharge it as many times as you want. The other images show the different structures of the ball, some different diameters of it and some nice work in progress of the designer.