WikkiStix Stem Pak Science Kit Molding & Sculpting Sticks 108 feet of Wikki Stix in nine colors Each Wikki is three feet long STEM Pak includes a four panel step-by-step illustration of how to make the DNA Double Helix out of Wikki Stix Package features over 20 images of additional science and math projects Fun and easy to do with Wikki Stix