Easy to construct the three dimensional model of DNA. Emphasizing the base pair sequence and function of DNA, the sturdy, colorful bases snap together in the correct sequence, and the pairs attach to a center rod representing hydrogen bonds.
Model, Stem Cross Section of Creeping Buttercup (Ranunculus repens), with collateral open vascular bundles, The model shows the typical stem structure of a dicotyledon enlarged by a factor of 250, Dimensions: 28 x 7 cm, weight: 3.25 kg
Minit Carbon atom, Cm, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 6 mm diameter atom centre, Trigonal bipyramid, Color: Black
Orbit Nitrogen atom, Nl, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 10 mm diameter atom centre, Octahedral, Color: Blue
Minit Oxygen atom, Or, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 6 mm diameter atom centre, Minerals, Color: Red
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