Coil assembly for contactless guidance of a magnetic object, in particular an endoscopy capsule, with a magnetic dipole moment (m) in a workspace in a Cartesian coordinate system with three axes (x, y, z) comprising a horizontal first axis (x), a horizontal second axis (z) and a vertical third axis (y), wherein the coil assembly has a plurality of individual coils (1, 2,..., 12) for generating components (B x, B y, B z) of a magnetic field and magnetic gradient fields, and multiple control units for controlling the energisation of the individual coils (1, 2,..., 12), wherein: - the plurality of individual coils (1, 2,..., 12) comprises a plurality of first individual coils (1, 2,..., 6), wherein the workspace, when viewed from the direction of the longitudinal axis of a respective first individual coil (1, 2,..., 6), lies within the circumference of the respective first individual coil (1, 2,..., 6); - one or more of the axes (x, y, z) is in each case assigned at least one first coil pair made up of two first individual coils (1, 2,..., 6), which are arranged along the respective axis (x, y, z) on opposite sides of the workspace in substantially parallel planes; - one or more of the axes (x, y, z) is in each case assigned just a single first individual coil or no first individual coil, wherein the workspace is surrounded at least partially by the circumference of a respective first individual coil (1, 2,..., 6); - the plurality of individual coils comprises a plurality of second individual coils (7, 8,..., 12), wherein the workspace, when viewed from the direction of the longitudinal axis of a respective second individual coil (7, 8,..., 12), lies outside the circumference of the respective second individual coil; - one or more of the axes (x, y, z) is in each case assigned at least one second coil pair made up of two second individual coils (7, 8,..., 12), which are substantially arranged in a common plane along the respective axis (x, y, z) on opposite sides of the workspace. - the plurality of individual coils (1, 2,..., 12) comprises a plurality of first individual coils (1, 2,..., 6), wherein the workspace, when viewed from the direction of the longitudinal axis of a respective first individual coil (1, 2,..., 6), lies within the circumference of the respective first individual coil (1, 2,..., 6); - one or more of the axes (x, y, z) is in each case assigned at least one first coil pair made up of two first individual coils (1, 2,..., 6), which are arranged along the respective axis (x, y, z) on opposite sides of the workspace in substantially parallel planes; - one or more of the axes (x, y, z) is in each case assigned just a single first individual coil or no first individual coil, wherein the workspace is surrounded at least partially by the circumference of a respective first individual coil (1, 2,..., 6); - the plurality of individual coils comprises a plurality of second individual coils (7, 8,..., 12), wherein the workspace, when viewed from the direction of the longitudinal axis of a respective second individual coil (7, 8,..., 12), lies outside the circumference of the respective second individual coil; - one or more of the axes (x, y, z) is in each case assigned at least one second coil pair made up of two second individual coils (7, 8,..., 12), which are substantially arranged in a common plane along the respective axis (x, y, z) on opposite sides of the workspace.