Magic cube

The utility model discloses a Rubik's cube. The Rubik's cube comprises an axis assembly, an acceleration piece, a plurality of middle shafts and a plurality of blocks. The center shafts are connected to the axis assembly, caps are arranged at the ends, away from the axis assembly, of the center shafts, the blocks are arranged on the peripheral side of the axis assembly, at least part of the blocks are rotatably connected to the corresponding center shafts, the acceleration piece comprises a main body piece and a plurality of rolling bodies, the center shafts are sleeved with the main body piece, and the rolling bodies are arranged on the main body piece. The main body piece is located between a block body on the middle shaft and a cap body of the middle shaft, all the rolling bodies are movably arranged on the main body piece, all the rolling bodies are sequentially arranged in the circumferential direction of the middle shaft, and the rolling bodies make direct or indirect contact with the cap body and the b