A Rubik's Cube, comprising multiple cubes (1) and connecting shaft components (2). The cubes (1) are hollow. The cubes (1) are provided with a first movable guiderail groove (3) and a second movable guiderail groove (4). The cubes (1) are provided on the sides thereof with positioning protrusions (6) or recesses (5). The connecting shaft components (2) comprise a connecting main shaft (7), a spring (8), and two movable rings (9). The connecting main shaft (7) are provided on either end thereof with semispherical tips (101 and 102). The connecting main shaft (7) can slide in the first movable guiderail groove (3) and the second mobile guiderail groove (4). The multiple cubes (1) are connected via the connecting shaft components (2). The two ends of the connecting shaft components (2) respectively are arranged in the first movable guiderail groove (3) or the second movable guiderail groove (4) of two adjacent cubes (1). The Rubik's Cube is structurally reasonable, can be rotated freely, and is transformable into a cube shape and some other natural shapes.
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