Carved stone ball, six knobs, one ornamented with parallel lines, from neighbourhood of Inverawe, Argyll

Carved stone ball, with 4 large and 3 small knobs, from Huntly, Aberdeenshire

Carved stone ball, with 135 small knobs, from Ardoyne, Oyne, Aberdeenshire

Carved stone ball, with six knobs, from Greenlonachs, Culbokie, Ross and Cromarty

Carved stone ball with six bold bosses incised with concentric circles and the ground reticulated, Neolithic, Scottish