A corner piece structure of a Rubik's cube, the corner piece structure comprising a corner piece body (4), wherein the corner piece body (4) comprises a corner piece shell (42) and a corner piece shell cover (43) which covers the corner piece shell (42), where several magnetic modules and a linkage device (8) located among the several magnetic modules are provided between the corner piece shell (42) and the corner piece shell cover (43). According to the solution, the several magnetic modules are linked by means of the linkage device (8), such that the several magnetic modules can be synchronously adjusted, so as to achieve convenient, simple and rapid adjustment of the magnetic modules, thereby improving the efficiency of adjusting the magnetic modules; and the synchronous adjustment of the several magnetic modules is conducive to achieving the same effect after the adjustment of the several magnetic modules.
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