Patent ID: 8016636
Filing Date: 2011-09-13
Classification: A63H

Abstract:
1. A built-up type toy having a plurality of parts of polyhedron shape equipped with joining surfaces that are joined with other joining surfaces of other parts, the built-up type toy comprising: the parts respectively having magnet portions on the joining surfaces thereof; wherein the magnet portion of the part and the magnet portion on the joining surface of the parts are joined with each other by magnetic force thereof, and wherein the magnet portion comprises: a magnet of which both magnetic poles are arranged to face directions different from each other, the magnet being installed on a magnet installation recess formed on the part; and a separation preventing means for preventing a separation of the magnet from the magnet installation recess while allowing a rotation of the magnet in the inner space of the magnet installation recess, wherein the separation preventing means has a hooking protrusion for preventing the separation, which is formed on an opening of the magnet installation recess, and an inner diameter of the opening formed by the hooking protrusion is narrower than a width and a length of the magnet.