Japanese toymaker MegaHouse has just released a Rubik’s Cube that takes the concept of “miniature” to an entirely new level. The cube, crafted from aluminum, measures just five millimeters per side?about the breadth of a typical pencil eraser?making it potentially the smallest Rubik’s Cube ever created that can still function as intended.

The diminutive puzzle was made available for pre-order this past Thursday, with deliveries scheduled to begin in April of next year. It weighs a mere 0.3 grams and each of its nine squares on six faces is just 1.6 millimeters across. This micro-cube was confirmed by the Guinness World Record in August as the world’s smallest rotating puzzle cube.

“The 5-millimeter Rubik’s Cube is born from the synthesis of precision machines, cutting-edge tools, and sheer player passion,” announced Kiyokazu Saito, president of Iriso Precision, which was enlisted for the precision cutting.
However, the tiny cube is not only a technical marvel but also a luxury collector’s item, retailing at 777,777 yen (approximately $5,320). Each unit is sold with a stand proclaiming its status as the “World’s record smallest Rubik’s Cube.”

This release marks the 50th anniversary of the iconic puzzle, originally invented by Hungarian architect Ern? Rubik in 1974. The Rubik’s Cube has a vast and varied fanbase, from amateur hobbyists to professional mathem...