Giant Crystals and Stones Science and Experiment Kit

A large set with all the essentials for creating glittering giant coloured crystals! Precious stones to study and collect: the amethyst, blue agate and lots more are waiting to be discovered! The set includes a special mould to make a fascinating geode that you can enrich with lots of coloured crystals. The detailed scientific manual contains all the secrets behind the formation of crystals and the chemical reactions of salts! Made in Italy