Skill play for use by old person, has rotating body with single-sided section, where centroid of rotating body lies outside of original rotating body center point, where rotating body includes double-sided section and irregular ellipsoid

摘要

The play (1) has a rotating body (2) with a single-sided section (3), where a centroid of the rotating body lies outside of an original rotating body center point. The rotating body includes a double-sided section and an irregular ellipsoid that is provided with the single sided section, where the rotating body includes a fixed or movable axle and a changeable centroid, and a centrically arranged borehole with a drive pin.