4M- CRYSTAL SCIENCE (US)Conduct chemical experiments to grow your own aquamarine crystal, glow in the dark moon crystal cluster, and a crystal snow tree, Learn how crystals are formed from solutions. Display them in a collection. SKU: 3917 Categories: 4M, Crystal Growing Description 8+Related products 4M – POTATO CLOCKBe a scientist as you discover how to power his digital clock using potatoes. Experiment to find out what other substances will power the clock. 4M – WEATHER SCIENCEExperiment with static electricity that causes lightning, make clouds in your palm, build a desktop water cycle model, watch air currents that produce wind, and study the greenhouse effect and acid rain. These exciting activities will help you understand how our weather works. 4M – MAGIC SETPerform your own magic show. Amaze your friends and family with the 12 magic tricks included in this kit.