A tiled display comprising: a plurality of display devices; a plurality of first magnets on the display devices; a wall portion configured to attach the plurality of display devices thereon; and a plurality of second magnets on the wall portion substantially in correspondence with each of the plurality of first magnets, respectively wherein the plurality of second magnets are movable in a direction perpendicular to a surface of the wall portion; further comprising a plurality of first covers disposed to cover the plurality of first magnets, respectively; wherein the first magnets are disposed between the first covers and the display devices and are configured to be rotatable therebetween, further comprising a plurality of second covers connected to the wall portion and accommodating therein the plurality of second magnets, respectively, wherein the second magnets are moveable in the direction perpendicular to the surface of the wall portion along an inner peripheral surface of the second covers; wherein each of the plurality of second covers comprises: a first fixing portion in contact with the wall portion; a guide portion extended in the direction perpendicular to the surface of the wall portion from the first fixing portion; a second fixing portion connected to the guide portion and disposed in parallel to the first fixing portion; and an anti-rotation cover fixed to the each of the plurality of second magnets and configured to be movable between the first fixing portion and the second fixing portion while being in contact with a surface of the guide portion and configured to restrict a rotation of the second magnet. a plurality of display devices; a plurality of first magnets on the display devices; a wall portion configured to attach the plurality of display devices thereon; and a plurality of second magnets on the wall portion substantially in correspondence with each of the plurality of first magnets, respectively wherein the plurality of second magnets are movable in a direction perpendicular to a surface of the wall portion; further comprising a plurality of first covers disposed to cover the plurality of first magnets, respectively; wherein the first magnets are disposed between the first covers and the display devices and are configured to be rotatable therebetween, further comprising a plurality of second covers connected to the wall portion and accommodating therein the plurality of second magnets, respectively, wherein the second magnets are moveable in the direction perpendicular to the surface of the wall portion along an inner peripheral surface of the second covers; a first fixing portion in contact with the wall portion; a guide portion extended in the direction perpendicular to the surface of the wall portion from the first fixing portion; a second fixing portion connected to the guide portion and disposed in parallel to the first fixing portion; and an anti-rotation cover fixed to the each of the plurality of second magnets and configured to be movable between the first fixing portion and the second fixing portion while being in contact with a surface of the guide portion and configured to restrict a rotation of the second magnet.