ICE

Kit Contents:
50 red 4-peg oxygen atom centers
100 white 2-peg hydrogen atom centers
74-0.75" PVC, clear bonds (hydrogen bonds)
100-0.75" PVC, white bonds (covalent bonds)
324 total pieces
Assembly instructions
and Lab procedures PDF on this website.

Two layers of hydrogen-bonded water molecules show the crystalline, open structure of ice.

PDF Documentation