A construction kit such as for the depiction of atoms and their electron
arrangements in elements and compounds. This kit comprises a plurality of
ring components each having plural connection points for connection to
other ring components. The connection points typically comprise male
connectors or female connectors with each ring component including one or
more male connectors, one or more female connectors, or both male and
female connectors, so that multiple ring components can be connected in
different configurations to form three-dimensional objects in the form of
hemispheres or spheres.