Patent ID: 7988518

Claim:
A magnetic block toy, comprising: a plurality of magnetic blocks coupled to one another by a magnetic force, wherein each of the plurality of magnetic blocks comprises: a body part comprising two half bodies connected together, the body part having two or more end portions, each end portion having a space portion, the space portion having a shaft-fixing portion formed on a surface thereof; a cylindrical case provided with a shaft, which is rotatably inserted in the space portion of the body part, wherein the shaft of the cylindrical case is rotatably inserted in the shaft fixing portion; and a coin-like magnet having a north (N) pole on one surface thereof and a south (S) pole on another surface thereof, the coin-like magnet being mounted in the cylindrical case, wherein a plurality of protrusions and indents are formed alternately at equal intervals or concavo-convexes are formed continuously in a radial shape on an end surface of each of the end portions of the body part, so that when the end portion of the body part of one of the plurality of magnetic blocks is coupled to the end surface of the end portion of the body part of another of the plurality of magnetic blocks by the magnets, the two end surfaces are prevented from sliding with respect to each other.