Patent ID: 9333438
Filing Date: 2016-05-10
CPC Classification: A63H

Claim Text:
1. A block studying tool for an infant, comprising: a block body having a hexahedral shape, a lower portion of which is opened; and a plurality of unit assembling portions disposed to protrude from an upper portion of the block body upward and disposed to be spaced a predetermined distance apart from each other, wherein a divider is disposed at an inside of the lower portion of the block body and forms an assembling space in which the plurality of unit assembling portions of the adjacent block body are to be assembled according to positions, wherein four unit assembling portions having a hexahedral shape are disposed to be spaced apart from each other, wherein outer assembling protrusions are formed to protrude from all of circumferential wall surfaces of the unit assembling portions, and outer assembling protrusion assembling grooves to be assembled with the outer assembling protrusions are formed in inner sidewalls of the lower portion of the block body, wherein a shape of each of the outer assembling protrusions is selected from the group consisting of a semi-pipe shape, a rectangular block shape, and a hemisphere shape, and wherein the outer assembling protrusion assembling grooves correspond to the outer assembling protrusions and are formed to have larger sizes than the outer assembling protrusions.