| 摘要 |
FIELD: entertainment. SUBSTANCE: logic puzzle has frame with windows in faces and volumetric play elements with marks filling frame and mounted for formation of one vacant cell. Novelty of puzzle lies in manufacture of at least one volumetric play element transformable in the form of sleeves with bottoms facing outward and spread by spring from inside which can be moved one into another. EFFECT: increased entertainment. 2 dwg |
