Molecular Models and Crystal Structure (C+62)

  C+62+0 Molecular models, ball and stick.
  C+62+5 Film: "Bubble model of a metal", silent, 11 min.
  C+62+10 Wave surfaces of crystals.
  C+62+15 Model of calcite crystal.
  C+62+20 Assorted crystals to show.
  C+62+25 Wall chart of periodic table.