How to Build a 3d DNA Molecule?

To build a 3-D DNA molecule you will need some stiff wire, a broom stick, a wooden base, tape in four colors and beads. Wrap the wire around the broom stick to simulate the double helix of the molecule. Remove the stick and mount on the wooden base. Use the tape and the beads to simulate guanine, adenine, thymine and cytosine. For more information look here: