Science — Technology — Engineering — Math: STEM! Wikki Stix STEM Pak...not just part of the movement...it's Full STEM Ahead! 108 feet of Wikki Stix in nine colors! Each Wikki is three feet long! Pak also includes a four panel step-by-step illustration of how to make the DNA Double Helix out of Wikki Stix. Fun and easy! 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 do not contain gluten, latex, nor any nuts or nut by-products. They are simply made of non-toxic wax (like you'd find in bubble gum and lipstick) along with basic hand-knitting yarn.