Children will discover the caves, rock formations, glistening geodes and crystals with this STEM kit. Create chemical reactions to grow sparkling crystals in plaster shapes, make geodes and construct a crystal column. Learn about water crystals and diamonds with this geological kit. Plus, children will explore the worlds of caves and the animals that live in them. After children create their geodes, they can place their work in the cave-themed display case. Develop analytical, problem-solving, creative and universal STEM skills as children grow their crystals. Includes safe, high-quality ingredients packaged in no-spill containers and a full-color educational instruction booklet. For ages 8+.