Orbit proview dna model cochranes of oxford 0125 see the structure of dna clearly and understand the chemistry that controls life with the orbit proview dna model from cochranes of oxford building the model engages and educates your students at the same time when built the model makes an impressive display and teaching resource being 85cm high and 40cm wide the model kit includes a set of wooden plates for suspending the model the top plate needs to be set on a suitable