Grey Planet Slate Sphere Garden Water Feature - 40cm Diameter (sphere only)Add a bold statement to your outdoor space with this 40cm slate sphere. The gentle sound of water trickling over this architectural sphere will add an ambiance of tranquility to your garden, It is constructed from pre cast concrete. The natural slate pieces are expertly embedded by hand into the concrete giving a highly textured aesthetic . This causes the water to gently flow downwards and 'dance' as the droplets catch the light from different angles