First Versions: Rubik's Cube

Difference Between a Normal Cube and a Speedcube - Cubelelo

Rubik's Cube Inventor Opens Up About His Creation in New Book 'Cubed' - The New York Times

Rubik's Cube Shape Mods: Mirror, Fisher, Mastermorphix etc.

Rubik's Cube - The Strong National Museum of Play

First Versions: Rubik's Cube

Family Challenge – Who Solved The Rubik's Toys First? - Meeples Overboard

9 Interesting Facts About Rubik's Cube That You Should Know

The first Rubik's Cube Prototype - The invention of Erno Rubik

Erno Rubik's Magic Cube