How to make Galalith or plastic stone. A bioplastic from milk

This is an easy experiment, awesome for kids. Making it we will can explain our children what bioplastic are and introduce them into a chemistry world. Even in historical facts.

Galalith or Milkstone has an interesting history behind it. It was use to produce gemestone realistic imitations.

Other Galalith names: Milkstone, Erinoid (United Kingdom), aladdinite (USA), Casolith (Netherlands) and lactoloid (Japan).

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