DNA Double Helix Structure Model Educaional Kit for DNA Structure Easily assembled and disassembled Easily understanding the biological terms Durable plastic with 6 proper colors 1. This DNA model is easily assembled and an educational kit for DNA structure. 2. This is easily understood through the different colors and shapes. 3. Students can understand the base structure of DNA by assembling parts : Adenine, Thymine, Guanine and Cytosine. 4. This DNA model is 125*350mm(Diameter*Height) and the parts are durable plastic with metal rods on the sides for support.