The success of the operation is however only just looking at neighboring properties. However Schadenfreude is not displayed because I know how annoying those earth sculptures are just mowing the lawn, not to mention the visual impression throughout.
I can only advise against any of the solar-powered variant. Of this I had two different models in use. Both insufficiently watertight and poorly finished. This was ("do your thing") purchased from a reputable Himwerkermarkt and lured with "batterlielosem" fun for little money. Unfortunately, it the first device, then still in a chic green envelope, his ministry after the first autumnal mists and rain a. The subsequent acquisition of now two successor models, now in a paper ton blue plastic gown, brought even less success. One was the same defective from the start, the second after about 2 weeks.
Who is afraid of changing the battery and the permanent costs to be assured that this device easily my newly acquired eneloop batteries eneloop adapters thanks to the swallows. The battery change-disadvantage makes it through the way this Digger at ground level and then einzusenken to run over with the lawnmower without problems again wet. Should only find one it can.
Conclusion: All in all, fully and completely recommended.