YOUniverse! From thermodynamics to acid-base chemistry, this hands-on STEAM kit brings science and style together with engaging learning opportunities at every corner of the experience. Set up your crystal-growing studio on any flat surface and follow the fully-illustrated instructions to learn how to create simple chemical reactions result in chunky, colorful crystals on trendy pendants, hair pins, and a ring! Once your crystals grow big and beautiful, get creative with coloring dyes and sparkling elastic to make your accessories completely your own. From the outside in, every crystal is unique — and with the YOUniverse Crystal-Growing Accessories set, you can learn why! This set is recommended for ages 8 years and older.