With crystal mystery, discover the complex phenomenon of crystallization and grown incredible crystals in just a few days! A real journey to the centre of the Earth to discover how the most beautiful gems are born. Use the 2 colorants to create your favorite coloured crystal!
Recommended age: 8 years and
Package contents:- 150 g of crystal powder
- 1 support to facilitate crystallization
- 1 crystallization pot
- 2 colourants
- 1 set of instructions
