Magnetization device for a checking device for checking a magnetizable security element which can be transported along a transport region in a transport direction, comprising: - a first magnet with a north pole and a south pole and a second magnet with a north pole and a south pole, wherein the first and the second magnet (11, 12) are designed - to provide a first magnetic field region in such a way that a security element transported along the transport region is transported through the first magnetic field region and exposed therein to a first magnetic field strength with a first magnetic field direction, and - to provide a second magnetic field region arranged downstream of the first magnetic field region in the transport direction in such a way that a security element transported along the transport region is transported through the second magnetic field region and therein exposed to a second magnetic field strength with a second magnetic field direction, wherein the second magnetic field direction differs from the first magnetic field direction and the second magnetic field strength is lower than the first magnetic field strength, wherein a first magnet axis extending from the north pole to the south pole of the first magnet and a second magnet axis extending from the north pole to the south pole of the second magnet are substantially parallel to one another, and the first and the second magnet are arranged in such a way that the north pole of the first magnet and the north pole of the second magnet are situated opposite each other with respect to the transport region and the south pole of the first magnet and the south pole of the second magnet are likewise situated opposite each other with respect to the transport region, characterized in that the first magnet and the second magnet are in the form of cuboidal permanent magnets and are situated opposite one another with respect to the transport region with their north poles and their south poles in such a way that the first and the second magnet (11, 12) generate both the first magnetic field region and the second magnetic field region in an interacting manner. - a first magnet with a north pole and a south pole and a second magnet with a north pole and a south pole, wherein the first and the second magnet (11, 12) are designed - to provide a first magnetic field region in such a way that a security element transported along the transport region is transported through the first magnetic field region and exposed therein to a first magnetic field strength with a first magnetic field direction, and - to provide a second magnetic field region arranged downstream of the first magnetic field region in the transport direction in such a way that a security element transported along the transport region is transported through the second magnetic field region and therein exposed to a second magnetic field strength with a second magnetic field direction, wherein the second magnetic field direction differs from the first magnetic field direction and the second magnetic field strength is lower than the first magnetic field strength, wherein a first magnet axis extending from the north pole to the south pole of the first magnet and a second magnet axis extending from the north pole to the south pole of the second magnet are substantially parallel to one another, and the first and the second magnet are arranged in such a way that the north pole of the first magnet and the north pole of the second magnet are situated opposite each other with respect to the transport region and the south pole of the first magnet and the south pole of the second magnet are likewise situated opposite each other with respect to the transport region, characterized in that