FIELD: games; amusements.
SUBSTANCE: invention relates to entertaining puzzles. Puzzle is a polyhedron assembled from at least eight separate polyhedrons by means of rods that pass through holes in separate polyhedrons, wherein there is one version of the assembly whereat the rods do not intersect and there is at least one version whereat the rods intersect.
EFFECT: invention is intended for development of operational thinking: operational (active) memory and attention, namely development of a person’s ability to perform combinatorial operations with arbitrary elements in the head: to hold them in an internal (semantic) field, to combine them arbitrarily.
13 cl, 21 dwg
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