Clementoni: Science and Game - Precious Stones and Crystals;
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Clementoni: Science and Game - Precious Stones and Crystals;
A "precious" scientific kit to bring beautiful precious stones to light
The kit contains a brick to dig to extract gems and precious stones, a mold to reproduce a fascinating colored geode, and everything needed to grow a giant crystal!
In the rich scientific manual you can discover all the secrets of mineralogy, crystals and the chemical reactions of salts!
