Dive into hands-on fun with the Unbelievable Science Grow Your Own Colossal Crystal kit. This awesome experiment lets you grow a massive crystal while learning some cool science. Start growing your collection of epic crystals, while having a blast discovering the magic of science! Perfect for curious minds and budding scientists. Glow in the dark crystal. Includes 1 x glow grow seed, 1 x grow powder, 1 x stirring stick, 1 x magnifying glass & 1 x instruction manual.