Hammerstone from Skara Brae, Skaill, Orkney

Cast of a carved stone ball from Skaill, Orkney

Cast of a carved stone ball from Skaill, Orkney

Bead, from Skaill, Sandwick, Orkney

Axe, from Skara Brae, Skaill, Sandwick, Orkney

Axe, from Skara Brae, Skaill, Sandwick, Orkney

Axe, from Skara Brae, Skaill, Sandwick, Orkney

Pounder, from Skara Brae, Skaill, Sandwick, Orkney

Pounder, from Skara Brae, Skaill, Sandwick, Orkney

Pounder, from Skara Brae, Skaill, Sandwick, Orkney

Pounder, from Skara Brae, Skaill, Sandwick, Orkney

Pounder, from Skara Brae, Skaill, Sandwick, Orkney

Pounder, from Skara Brae, Skaill, Sandwick, Orkney

Pounder, from Skara Brae, Skaill, Sandwick, Orkney

Pounder, from Skara Brae, Skaill, Sandwick, Orkney

Waterworn pebble marked by streaks of red, from Skerrabrae, Skaill, Orkney