Japan unveiled the smallest Rubik's Cube. The agency Kyodo writes about the rare occasion.
The aluminum cube weighs about 2 grams, measuring 9.9 millimeters on each side.
The price of the Rubik's Cube is about 1.9 thousand dollars.
The Rubik's Cube is the creation of a gaming company Megahouse Corporation, which collaborated with a small provincial workshop. This workshop created the smallest dice and ruler in the world at the time.
Hungarian sculptor and professor of architecture Erno Rubik invented the mechanical puzzle in 1974.
