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A puzzle with intersecting circles. To connect the parts together, an elastic band is used.
This puzzle's original name is Вертушка, transliterated "Vertushka" approximately translated: "rotating toy".
The puzzle consists of disks, triangular elements and an elastic band. To assemble the puzzle, you need to slightly pull aside and rotate the 6 triangular elements.
The idea of the puzzle was proposed by the Frenchman Jean Lecar in 1982. Sergei Grabarchuk came up with an improved version of which in 1985 an article was published in the Soviet magazine "Science and Life". This article explained how to make this puzzle yourself.
The puzzle was later mass-produced.
Thank you to the following people for their assistance in helping collect the information on this page: Dmitriy Andreev (Pluton).
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