| 摘要 |
A magnet eraser is provided to cleanly wash minute blackboard powders because adhesion is high and to wash the blackboard with a little power using the magnet eraser. An eraser is made from a material which is not absorbed to a surface of a blackboard. An inner magnet(3) is equipped in an inside of a main body(1) of the eraser. The main body of the eraser is made of a synthetic resin. An outer cover(2) for a handle is informed in a top end portion of the main body of the eraser in order to catch comfortably the eraser. The eraser and the blackboard have adhesion by including the inner magnet in the main body of the eraser.
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