A second page downloads to you 3D models of DNA's components. You can move and transform these components, and then assemble them into your own segment of DNA (click on this paragraph to go to that page).

To start this tour, click the "Next Scene" button at the bottom of this page.

To navigate further, use the buttons at the bottom of the page. (You can also move between scenes by using your keyboard’s arrows, and then play movies by clicking enter/return).

At any point, you can jump ahead by clicking an icon above the picture.