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European version of the Square-1.
This version was initially produced in 1999 in the Czech Republic by the original inventors Hrsel and Kopsky. The name "Cube 21" means "cube for 21th century".
This exceptional brain teaser can be changed in various configurations, from a cube to a star and more than 200 other shapes. The total number of configurations of Original edition equals 552,738,816,000 and of Silver edition equals 34,546,176,000.
Recommended by Mensa Czech Republic as the brain teaser developing cubic imaginations, combination skills and logical thinking.
There are several differently colored versions.
If you're looking to buy, eBay is the one place you can find almost anything... if you're willing to wait for it, then pay the price!
Thank you to the following people for their assistance in helping collect the information on this page: Arnoud Blees.
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