Rubik's Cube
, 1974
Rubik’s Cube used courtesy of Spin Master.
In the mid-1970s, design professor Ernő Rubik's search for a way to demonstrate three-dimensional movement to his students led to the invention of the Rubik's Cube. Erno envisioned 3D, twisting blocks – and built the first, messy prototype shown here from wood, paper clips and rubber bands.