Rubik's cube can be used to teach group theory, see http://geometer.org/rubik/group.pdf http://geometer.org/rubik/group.pdf or http://www.math.harvard.edu/~jjch

Rubik's cube can be used to teach group theory, see http://geometer.org/rubik/group.pdf http://geometer.org/rubik/group.pdf or http://www.math.harvard.edu/~jjchen/docs/Group%20Theory%20and%20the%20Rubik's%20Cube.pdf http://www.math.harvard.edu/~jjchen/docs/Group%20Theory%20an...