FAST-GROWING CRYSTALS IN 6 COLORS - Grow blue, red, purple, green, yellow, and glow in the dark crystals! Crystal chemistry has never been so fast (grows in 3 - 4 days), fun, and colorful, making this the perfect educational activity or gift! Easy-to-follow instructions and the 2 included silicone growing chambers make growing your crystals easier than ever! Show off 5 of your favorite home-grown crystals in the USB-powered (cable included) light-up display! Also includes 4 real gemstone specimens: rose quartz, fluorite, blue calcite, and quartz geode. Learn about the gemstones in the kit with the included full-color Learning Guide.
