Patent ID: 8016635
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 comprises: a pair of recesses formed on surfaces opposite to each other at a central area of both poles of the magnet; and a pair of rotational shaft protrusions formed on an inner surface of the magnet installation recess so as to be inserted into the pair of recesses while a virtual line connecting central positions of the pair of recesses to each other is in parallel with an outer surface of the part.