Science and Play Precious Stones & Crystals

• A ‘precious’ scientific kit to unearth beautiful precious stones.
• The kit contains a brick to be carved to extract gems and precious stones, a mould to reproduce a fascinating coloured geode, and all the necessary elements to grow a giant crystal!
• The detailed scientific manual contains all the secrets of mineralogy, crystals and the chemical reactions of salts!
• Made in Italy

age 8+