American Educational Products Molecular Modelos 47 PC -

American Educational Molecular Modelos 47 pieces Models are useful in understanding the three dimensional arrangement of atoms in molecules X-Ray analysis has established the intricate structure of molecules It is possible to follow these intricacies without the use of models The model sets in this kit compromises certain inaccuracies of actual atomic structure Sufficiently accurate to make most satisfactory model WARNING: CHOKING HAZARD -- Small parts. Not for children under 3 yrs