Product description DNA is essentially a very large molecule that contains the blueprints for life. Building this pre-painted DNA model will help you understand the basic structure of this amazing molecule! Kit includes twenty 1" Styrofoam balls, twenty 1-1/2" Styrofoam balls, ten 2-1/2" rods, ten 2" rods, ten 3" chenille stems two 45" chenille stems, 14-1/2" reinforcement wire 4x 5" display stand and complete instructions. Children should check with their Teachers to verify that the colors in this kit are acceptable. Certified Lead Free. Recommended for children ages 14 and up. WARNING: Choking Hazard-small parts. Not for children under 3 years. Made in USA. From the Manufacturer This kit contains pre-painted genuine Styrofoam foam shapes. Use only low-temperature glues.(not included) DNA Model- Build your own DNA Model. Each component of DNA is represented by either a Styrofoam ball or rod. Included in this kit are 20-1" Styrofoam balls, 20-1 1/2" Styrofoam balls, 10-2 1/2" long rods, 10-2" short rods, 10-3" chenille stems, 2-45" chenille stems, 1-14 1/2" reinforcement wire, 1-4"x 5" display stand and complete instructions. Plus fundamental facts about DNA and Web links to sites about DNA, genetics and biology.