A dog feces collecting device, comprising: four crescent arms, arranged in a line of two pairs in such a way that in the middle of the line is generated a cylindrical space in which a cylindrical feces collecting container can be placed a longitudinal axle, for pivotally connecting each of the pair of arms from a top side thereof, thereby allowing rotationally drawing away the arms of each of the pairs from each other, and vice versa linearly drawing away each of the pair of arms from each other, and vice versa mechanism for carrying out the rotational movement a mechanism for carrying out the linear movement a mechanism in the arms for grasping the container wherein the cylindrical container has a longitudinal cut or separatable lane. The container may be based on a cardboard kernel tube of a toilet roller.
