(Grades 6 – 8th) Discover what makes you different from everyone else. Build a model of DNA that shows the unique structure deduced by Watson, Crick and Franklin. This can be done in conjuction with the extension activity for DNA extraction. Kit includes Knex sets, DNA component guides, laminated visuals of DNA structure and Knex components, 25 test tubes with covers (for extension activity), pipettes (for extension activity) and Teachers guide. For extension activity, teachers must provide the chemicals which are easily obtained at the grocery store.