About this 3D model

Helping my daughter build a DNA model for school out of wire and beads, I realized that this was an ideal object for a set of standardized interlocking parts. This construction set strives for biological accuracy and educational value. approximately 65,000,000 : 1 scale 10.5 base pairs per twist reversible bonds along the spine interlocking hydrogen bonds major and minor grooves representations of carbon and phosphate rings