Rubik's Cube is a 3-D combination puzzle invented in 1974 by Hungarian sculptor and architect Ernő Rubik. He licensed the product to Ideal Toy Corp in 1980, and it has since become the world's top-selling puzzle game.
- An undated strip of The Muppets features Fozzie Bear tossing his Rubik's Cube to the monkeys at the zoo in order to solve the puzzle.
- Fozzie later dressed as a Rubik's Cube during Pascal Obispo's musical number for the finale of the first episode of Muppets TV.
- A Sesame Street keychain in the style of a Rubik's Cube was produced in Japan.