Molecular structure demo
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Constructed by plastic balls & metal sticks, showing molecular structure of CO2, including:
--C, Black ball with 6 holes 14 pcs,
--O, Blue ball with 1 hole 28 pcs
--Metal links 13cm 12pcs,
--Metal links 9cm 24pcs,
--Metal links 2cm 28pcs,
--Stand size 19X19cm, high 20cm.