Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 6, 2011
Patent Application Number
12408132
Date Filed
March 20, 2009
Patent Citations Received
Patent Primary Examiner
Patent abstract
A block for building a toy is provided. The block includes a body, a case provided in the body, a holder with a sliding-prevention part, provided movably and rotatably within the case, and a magnet with south and north pole faces, installed in the holder. The blocks, each with this construction, can connect to each other to build a toy, without sliding off relative to each other.
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