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The Smithsonian Magic Rocks kit showcases an enchanting underwater garden with colorful crystal formations in an aquarium-like container, set against a space-themed backdrop. This crystal growing kit is ideal for ages 10 and up and offers a fun STEM learning experience.
Toysmith

Magic Rocks Smithsonian

$19.99
SKU: 7389
Ages: 10+
Create a brilliant underwater garden with this instant crystal growing kit! Place your colored stones (metal salt crystals) into the magic solution (sodium silicate dissolved in water) and watch them grow into colorful crystal formations. In six hours, repeat these steps and watch with amazement as your rocks expand into colorful stalagmite-like towers. Explore the enclosed STEM content to learn about the chemical process. Each set includes an aquarium tank, a space background, and a sticker sheet.
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