The NSI Smithsonian Crystal Growing kit combines the worlds of education and entertainment into one simple package. You can grow your own crystals including citrine emerald and amethyst and it allows you to create large crystals as well as clusters and geodes. This learning kit for kids provides an educational experience that offers a sense of intrigue and hours of fun. The electronic base makes your crystals change colors for even more excitement all while learning about crystalline habitats and structures. This Smithsonian Crystal Growing Kit gives kids exposure to physics and it is this exposure which can plant an all-important seed for future curiosity and academic pursuit in Geology & Earth Sciences. It makes a wonderful gift for any child and a fun family activity.