How many kinds of third-order Rubik's Cube are there?

Rubik's cube can be divided into the following categories:

1, traditional third-order Rubik's cube: This is the most common third-order Rubik's cube, with three colors on each side, * * * with six central blocks, eight corner blocks and 12 side blocks. By rotation, various patterns can be restored.

2. mirror cube: This is a special Rubik's cube with a mirror surface, usually silver or black. Mirror Rubik's Cube is characterized by reflecting light, which makes players need to adapt to different light conditions when observing and restoring the Rubik's Cube.

3. Twist the Rubik's Cube blindly: The difference of this Rubik's Cube is that there is no obvious color code, and the player needs to restore it without seeing the Rubik's Cube. This requires a deeper understanding and memory of the structure and rotation law of the Rubik's Cube.