Pyraminx

42 years later, the Pyraminx is still a hugely popular puzzle to learn to solve. The fastest time solve is 1.3 seconds. We don't expect that of our users, but it sure is fine to try. Just FYI, it is a regular tetrahedron puzzle in the style of Rubik's Cube. For 1 player.

For ages 7 yrs-adult, from Project Genius.