Wikki Stix Stem Pak

Made of yarn that has been coated with wax, Wikki Stix can be formed into any shape, plus they stick to each other without adhesives. The Stem Pack includes 3 ft. long stix in 9 different colors - 108 ft. in all! Comes with step-by-step illustrations of how to create a DNA double-helix, plus 20 more additional science and math products.