This year marks the 40th anniversary of the Rubik's Cube, which has sold more than 350 million units worldwide. Rubik, 69, visited the States this week to help launch a 7,000-square-foot ...

Mr. Rubik dates the Cube to the spring of 1974. Preparing a course on descriptive geometry and tinkering with the five Platonic solids, he had become especially taken by the cube.

In the spring of 1974, ... The invention, eventually renamed the Rubik’s Cube, would become the most popular puzzle toy in the world, with more than 350 million sold as of 2018.

The Rubik's Cube was created 50 years ago by Hungarian inventor Ernő Rubik. Since then, over 500 million of them have been sold. We dive into this global phenomenon that's captured the ...