Using this scientific kit, growing amazing crystals in a couple days just became possible! You will have at your disposal all the necessary elements to grow colourful crystals all the while discovering the complex crystallisation phenomenon. Have fun with the 2 provided colourants to create minerals with your favourite colours: emeralds, citrine or aquamarines! A fun and educational activity to learn more about precious stones! Kit Includes - 2 crystal powder sachets, 2 supports to facilitate crystallization, 1 beaker, 1 crystallization pot, 2 colourants and 1 set of instructions.