There are many types of crystals. With this small KIDSCOVERY set you will create two different crystals because you can perform 2 experiments. Almost everything you need for this is in this box. The only thing you need to provide yourself is a cup, some salt, black paper, water and scissors. Follow the steps in the enclosed manual and then you just have to be patient... Some experiments take more time than others, but the wait will always be rewarded! Suitable for children from 8 years old. There are many types of crystals. With this small KIDSCOVERY set you will create two different crystals because you can perform 2 experiments. Almost everything you need for this is in this box. The only thing you need to provide yourself is a cup, some salt, black paper, water and scissors. Follow the steps in the enclosed manual and then you just have to be patient... Some experiments take more time than others, but the wait will always be rewarded! Suitable for children from 8 years old.