Rubik invented cube that bears his name as teaching aid for his class of students . The colorful puzzle has gone on to become the world 's biggest selling puzzle -- with 350 million sold . CNN : Russian - born Rubik experienced the moment of discovery that led him to his iconic invention .
Rubik invented cube that bears his name as teaching aid for his class of students . The colorful puzzle has gone on to become the world 's biggest selling puzzle -- with 350 million sold . Russian - born Rubik experienced the moment of discovery that led him to his iconic invention .