Wikki Stix DNA Double Helix Kit Kit Includes 48 Wikki Stix (only 6 are needed to make one double helix-this kit will serve 8 students) Wikki Stix are perfect for demonstrating the stages of mitosis, as well as the structure of amino acids, and so much more Proudly made in the United States Non-toxic was and yarn product to stimulate imagination and creativity No glue, no preparation, no cleanup and no mess