Mechanical learning appliance for school beginners, uses rotatable elements mounted in learning device with each element having three part-sections

摘要

A mechanical learning appliance has at least one row (2 or 3) of symmetrical elements (4 or 5) which are rotatably mounted in the learning appliance (1), such that at least one part-section of the surface of the elements is visible, where each element has at least three different part-sections. The at least three part-sections are uniformly distributed on the whole surface of each element (4,5).