These
paperweight are heavy, and very qualified for the job. Yet they are so smooth and
nice to look at. People simply like to investigate the different layering, zoning
and coloring from all six angles.
Math teachers find a totally different ways to use these
beautiful geometric objects: 1. to inspire their students to learn geometry by
calculating their surface areas, volumes and densities, etc; 2. to use as prizes to
reward their students for good math performance or in math competitions. |