The provided pebble stones are clasts of rocks, whose particle size is based on the sedimentology Krumbein phi scale. These are normally regarded as larger and smaller as compared to rock granules and cobbles, respectively. They are mainly composed of pebbles as well as are named as conglomerates. These are made with instruments that are among the initial acknowledged man-made tools, dating from the human history of the Palaeolithic period. In addition, our pebble stones are generally found in beaches; therefore such areas are known as shingle beaches. These stones have armoring characteristics in regard to ecological niches and wave erosion that offer habitat for numerous plants and animals.