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You can purchase the following "Magic edges" kits:
(challenging task called “the star”) It consists of 6 symmetrical small bars of complex shapes...
There are five regular polyhedra: a tetrahedron, an octahedron, a cube (also known as a...
Find a gift for the schoolboy that will be interesting, useful, and not ruin the family budget - is...
A star is an image of divine idea and will; due to them, our Light and Universe were created and...
For a primeval man, fire once became a new form of social life. The night ceased to be an...
The monument to the “Truncated large dodecahedron” polyhedron was discovered in Obninsk (Russia)...