Dive into the world of chemical reactions and mineral formations with the Smithsonian Magic Rocks Value Set. Designed to bring science home, this kit includes specially formulated “magic rocks” that, when placed in the sodium-silicate based solution, grow into striking crystal towers—some reaching up to 4″ tall. With the included branded background, sticker sheet and full-color poster that explains the science behind crystal growth and mineral formation, this kit offers both engaging play and educational value. It encourages kids to observe, measure, compare growth rates, record their findings, and think about real-world applications of crystals in technology and nature. Ideal for home experimentation, classroom use or gift giving, the Smithsonian Magic Rocks Value Set helps spark curiosity, build confidence in science and deliver a rewarding result that kids can proudly display. With growth occurring in as little as ten minutes and continuing over several hours, it fits a wide range of project styles and l
