UN DISPOSITIVO DE JUGUETE LOGICO ESPACIAL O ROMPECABEZAS

摘要

A spatial logical puzzle has a windowed unit 20 holding at least two spherical elements 21, provided with symbols 7 which can be matched to a predetermined code system by relatively rotating the elements. The unit 2 may be part of a pencil or be a piece of wire or a casing with by-pass channels 23 for altering the order of the elements or a cube with the elements at the corners. The elements may be geared together or be marked to form a calendar. Electrical or touch symbols may be provided. The elements may be rotated by fluid-pressure and position magnetically.