108 feet of Wikki Stix in nine colors, in a handy re-useable tube. Each Wikki is three feet long! Pak includes a four-panel step-by-step illustration of how to make the DNA Double Helix out of Wikki Stix. Mistake-free Wikki Stix take the intimidation out of challenging math and science lessons! Science — Technology — Engineering — Math: STEM! Wikki Stix STEM Pak. . . not just part of the movement. . . it's Full STEM Ahead! Package also features over 20 images of additional science and math projects, plus a QR code to scan for more ideas and lesson plans! Perfect for STEAM too! Wikki Stix also stick to each other for amazing 3-D creativity - animals, habitats, planets – endless uses for educational and fun activities! Wikki Stix are educational, engaging, and perfect for developing fine motor skills. Kids will enjoy the tactile activities while learning!