Nepedia
Back to Discover
Advanced Reader
🎨

Rubik's Cube

arts Maturity 7-9 Next article →

The Rubik's Cube is a famous 3D combination puzzle.

Rubik's cube
Rubik's cube

It is a mechanical device that challenges the mind through spatial reasoning. The goal is to return each of the six faces to a single, solid color. This object has become a global icon in popular culture. It is recognized as the world's bestselling puzzle game and bestselling toy. Approximately 500 million cubes have been sold across the globe. Because of its massive impact, it entered the US National Toy Hall of Fame in 2014.

To understand how it works, we must look at its internal mechanism.

Komponen Rubik Kiub Yang Telah Dilabel
Komponen Rubik Kiub Yang Telah Dilabel

A standard cube consists of 26 unique miniature cubes called cubies or cubelets. These pieces include a concealed inward extension. This extension interlocks with other cubes to allow movement without the puzzle falling apart. There is also a central core mechanism made of three intersecting axes. This core holds the six center squares in place. Each center piece pivots on a fastener held by a 3D cross. A spring between the fastener and the piece provides tension. This tension keeps the entire assembly compact while allowing for easy rotation.

While the classic 3x3x3 cube is most famous, many variations exist.

Rubik's Cube variants
Rubik's Cube variants

Designers have used the original mechanism to create puzzles with different dimensions and shapes. Some versions have many more sides, such as 13x13 or even 17-layer cubes.

17 layer cube
17 layer cube

Other creators have made puzzles in different geometric forms. These include the Skewb, Pyraminx, and Impossiball. Some even use the mechanism to create shapes known as Platonic solids.

Rubiks Platonic Solids
Rubiks Platonic Solids

These different types allow for a wide range of difficulty and complexity.

Ernő Rubik, a Hungarian sculptor and professor of architecture, invented the puzzle in 1974.

Original Rubik's cube from 1980
Original Rubik's cube from 1980

He originally called his invention the Magic Cube. He was not actually trying to create a toy. He wanted to help his students understand 3D objects. He also wanted to solve a structural problem regarding moving parts independently. It took Rubik about one month to solve his own creation for the first time. He applied for a patent in Hungary in 1975. The puzzle was later licensed to companies like Ideal Toy Corp. In 1980, it was renamed the Rubik's Cube to feature its inventor's name.

The cube triggered a massive global craze during the 1980s.

Expo 82 Rubik's Cube
Expo 82 Rubik's Cube

After its international debut in 1980, sales grew rapidly due to television and newspaper advertisements. Between 1980 and 1983, it is estimated that 200 million cubes were sold. Some researchers, like Singmaster, estimate sales were between 100 and 300 million units. The puzzle's popularity led to many books, such as James G. Nourse's The Simple Solution to Rubik's Cube, which sold over 6 million copies. At its peak, a massive six-foot cube was even displayed at the 1982 World's Fair in Tennessee.

After a period of lower sales, the cube experienced a 21st-century revival.

Interest grew again in the early 2000s, partly due to internet video sites like YouTube. These sites allowed fans to share solving strategies. This led to the rise of speedcubing, where people compete to solve the puzzle as fast as possible. The World Cube Association (WCA) was formed in 2004 to organize these competitions. The WCA manages tournaments worldwide and recognizes official world records. By 2008, annual sales of Rubik's branded cubes reached about 15 million units.

The history of the cube also involves complex legal and technical developments.

Patent US3655201
Patent US3655201

Earlier inventors like Larry D. Nichols and Frank Fox had created similar rotating puzzles. Nichols filed a patent for a 2x2x2 magnetic puzzle in 1970. This led to legal battles regarding patent infringement. Following the expiration of Rubik's patents in 2000, many Chinese companies began producing their own versions. These modern cubes are often engineered specifically for high-speed competition. Today, the Rubik's brand remains a significant part of the toy industry.

642 words

Where will your curiosity go next?

Keep exploring at your chosen reading level.

🖼️ Images & Media (17)
File:Rubik's cube.svg
Rubik's cube.svg
Salaryman and Rubiks Cube - Japan - 2008 2 2.webm
File:Patent US3655201.png
Patent US3655201.png
File:Original Rubik's cube from 1980.jpg
Original Rubik's cube from 1980.jpg
File:Expo 82 Rubik's Cube.jpg
Expo 82 Rubik's Cube.jpg
File:Komponen Rubik Kiub Yang Telah Dilabel.jpg
Komponen Rubik Kiub Yang Telah Dilabel.jpg
File:Scrumbled Rubik's Cube.jpg
Scrumbled Rubik's Cube.jpg
File:Rubik's cube colors.svg
Rubik's cube colors.svg
Erik Akkersdijk is solving a 3×3×3...
File:Rubik's Cube variants.jpg
Rubik's Cube variants.jpg
File:13x13 Rubik's cube - Superflip (cropped).jpg
13x13 Rubik's cube - Superflip (cropped).jpg
File:17 layer cube.png
17 layer cube.png

+ 5 more

More to explore

🔬 Go deeper

More advanced topics to explore

🪜 Step back

Simpler topics to build understanding

What is Nepedia?

A free, ad-free encyclopedia for children. Every article is written at five reading levels, so the same page works for a five-year-old and a fifteen-year-old — use the level switcher above to see this one change. No account needed to read.