STiX add another dimension to your WEDGiTS construction designs. STiX add extension and linking capabilities to your kids' creative, WEDGiTS designs. Each STiX part follows the geometry of the WEDGiTS small, white-octahedron. STiX make it easy to link different WEDGiTS designs, structures, or, vehicles. Whether building a skyscraper, a rolling chassis, a bridge, a space station, or, a crazy-molecules; kids creativity come unleashed with STiX extender parts.