Did the bots in 60 l Aquarium Paddling meaningless until they come into a corner at the surface where they swim long against the wall until it ausgehen.Aufwecken? Can knock and do what I want nothing does sich.Müssen be lifted out of the water so that they swim back :-( Schade well Fehlkauf Aquabot 2.0 certainly better.?!?! Packaging and shipping as desired quickly and well