| 摘要 |
An octagonal toy brick has a seat with two secondary seats each having an octagonal protrusion formed on a top of the secondary seat and an octagonal recess defined in a bottom of the secondary seat to correspond to the octagonal protrusion. With the combination of the octagonal protrusion and the octagonal recess, one seat is able to assemble with the other seat to form into a variety of different shapes and forms to inspire the children's imagination.
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