WikkiStix Primary Colors Molding & Sculpting Sticks Shape, stick, play and learn! Colors include: Red, Blue, Yellow and Green Wikki Stix are the timeless toy for hands-on fun and traditional play plus perfect for educational activities and class projects More fun than a toy more creative than a craft Widely used in schools, Wikki Stix conform to ASTM D-4236, and all CPSIA safety regulations