Orbit Small Dna Model Class Kit, Helps students understand DNA, Contains twelve model kits and instructions for guided learning, Students make models of 6 base pairs each that can be joined together to make a molecule of up to 72 base pairs
Minit Phosphorous atom, Pm, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 6 mm diameter atom centre, Trigonal bipyramid, Color: Purple